Latin words first recorded in the 1st century BC

It is from Latin dē- + migrō (“to move, migrate”). De Vaan reconstructs ⟨migrō⟩ via Proto-Italic ⟨*migro-⟩ from Proto-Indo-European *h₂mi-gʷ-ro- (“changing”), cognate with Ancient Greek ἀμείβω…

It is from Latin dēmōlior + -tiō, the noun of action of dēmōlior (“to throw off, demolish”). That verb is a compound of dē- and mōlior (“to labour, build up”), from mōlēs (“mass; effort”).

It is from Latin dēmōnstrō (“to point out, show”) + -tiō, formed on the stem of the supine ⟨dēmōnstrātum⟩.

It is from Latin dē- + notō (“to mark”). Wiktionary traces notō to nōscō (“to know”), but de Vaan holds that nota (“mark”), from which the verb is derived, cannot come from the root of that verb…

It is from Latin dēnūntiō (“to announce”) + -tiō. dēnūntiō is built on nūntius (“messenger”), whose further etymology de Vaan calls unclear.

It is from Latin dē- (“down, off”) + pāscō (“to feed, graze”). De Vaan traces pāscō to Proto-Italic *pā̆ske/o- and Proto-Indo-European *peh2-s- (“to protect, herd”). Cognate with Hittite pahš- (“to…

It is from Latin dē- + perdō (“to destroy, lose”). perdō is made from per- and dō (“to give, put”), which de Vaan traces to Proto-Indo-European *deh₃- (“to give”).

It is from Latin dē- + plōrō (“to wail”).

It is from Latin dēpopulor (“to lay waste”) + -tiō, the verb being a compound of dē- and populor (“to ravage”), from populus (“people; army”). De Vaan explains the meaning “to devastate” as coming…

It is formed from Latin dē- (“down, fully”) + poscō (“to demand”). De Vaan traces ⟨poscō⟩ to the sk-present Proto-Indo-European *pr̥ḱ-sk-e/o- (“to ask”), cognate with Umbrian pepurkurent (“they will…

It is from Latin dēpositus, its neuter, ⟨dēpositus⟩ being the past participle of dēpōnō “to put down, deposit”. Isidore defines it as a pledge entrusted for a time, as if ⟨diū positum⟩ “placed for…

It is from Latin dēprāvō + -tiō.

It is from Latin dēprecor (“to pray to avert; to plead for”) + -tor. dēprecor is a compound of dē- and precor (“to pray”), from prex (“prayer”), which de Vaan traces to Proto-Italic *prek- and…

It is formed from Latin dērīvō + -tiō, from the verb meaning “to divert”. dērīvō is made from rīvus (“stream”), which de Vaan traces back to Proto-Italic *rīwo- (“stream”) and Proto-Indo-European…

It is formed from Latin dē- (“away from”) + scīscō (“to get to know, decree”). Lewis and Short take it to be first a political term, to break away by formal decision. De Vaan derives ⟨scīscō⟩ from…

It is from Latin dēserō (“to abandon”) + -tor. De Vaan lists dēserō among the compounds of serō (“to join, string together”), which he traces to Proto-Italic *sere/o- and Proto-Indo-European…

It is from Latin dē- + serviō (“to serve”). Tertullian has a perfect ⟨dēservīsse⟩.

It is from Latin dēsīderō (“to long for, miss”) + -bilis.

It is from Latin dēsignō (“to mark out, designate”) + -tiō. Manuscripts often confuse it with ⟨dissignātiō⟩, especially in the sense “arrangement”, and Lewis & Short think the spelling with ⟨diss-⟩…

It is from Latin dē- + signō (“to mark”). Signō is derived from signum “mark, sign”, which de Vaan connects with secō “to cut”, from Proto-Italic *sekno-, Proto-Indo-European *sek(h₂)-no- (“cut”)…

It is from Latin dēspērō + -tiō, a noun of action from the verb “to give up hope”. The verb is formed from dē- and spērō (“to hope”), which de Vaan derives from spēs (“hope”); that noun goes back to…

It is from Latin dēspērō (“to despair”), its perfect passive participle, from dē- and spērō “to hope”, used as an adjective.

It is from Latin dē- (“without”) + spērō (“to hope”).

It is formed from Latin dēspiciēns + -ia, from the present participle of dēspiciō (“to look down on, despise”). Bianchi and Lelli derive it from the verb directly.

It is from Latin dēstinō (“to fix, determine”), its perfect participle used as an adjective.

It is from Latin dē- (“down”) + struō (“to build, pile up”), the opposite of cōnstruō.

It is from Latin dē- + sūdō (“to sweat”). The TLL compares dēsūdāscō (“to break into a sweat”).

It is from Latin dēterminō (“to bound, limit”) + -tiō, from terminus “boundary”.

It is from Latin dētestor (“to curse, abhor”) + -bilis. dētestor is formed from dē- and testor (“to call to witness”), from testis (“witness”); de Vaan traces testis to Proto-Italic *tri-sto- and…

It is from Latin dētrahō (“to take away; to disparage”) + -tiō; ⟨dētrahō⟩ is from dē- and trahō “to draw”.

It is from Latin dē- + ūncia (“a twelfth”), that is, a whole less a twelfth; the OLD compares dēsum “to be lacking”, and the TLL derives it the same way, comparing quincunx and septunx. Varro…

It is from Latin dē- + versō (“to keep turning”), according to the OLD; Wiktionary takes it as a frequentative of dēvertō (“to turn off the road for lodging”), and the TLL compares both verbs. The…

It is from Latin dēvertō (“to turn aside, stop at a lodging”) + -tōrium.

It is from Latin dē- + via (“road”) + -us. De Vaan traces via to Proto-Italic *wijā- (“road”) and Proto-Indo-European *wih₁-eh₂- (“pursuit”), comparing Oscan víú (“road”).

It is from Latin dēvoveō (“to devote, vow”) + -tiō. dēvoveō is a compound of dē- and voveō (“to vow”).

It is the perfect passive participle from Latin dēvoveō (“to vow, consecrate, curse”), used as an adjective. dēvoveō is a compound of dē- and voveō (“to vow”), which de Vaan traces to Proto-Italic…

It is borrowed from Ancient Greek διάδημα (diádēma, “headband”), from διαδέω (diadéō, “to bind round”) with the result-noun suffix -μα (-ma).

It is borrowed from Ancient Greek δίαιτα (díaita, “way of living, regimen; dwelling”), from διαιτάω (diaitáō, “to treat; to arbitrate”).

It is borrowed from Ancient Greek διαλεκτικός (dialektikós, “dialectical”).

It is borrowed from Ancient Greek διάλογος (diálogos, “conversation”), related to διαλέγομαι (dialégomai, “to converse”), from διά (diá, “across”) and λέγω (légō, “to speak”). The TLL dates it from…

Its origin is disputed. Most dictionaries take it as the genitive of an unused noun *dix, from Latin dīcō (“to say”). Wiktionary gives the noun as *dex (“appearance, form”), the root of index. Walde…

It is from Latin dictātus, its neuter plural, ⟨dictātus⟩ being the participle of dictō “to say repeatedly, dictate”, used as a noun. ⟨dictō⟩ is a frequentative of dīcō (“to say”), which de Vaan…

It is from Latin dictātor + -ius. ⟨dictātor⟩ is from dictō (“to dictate, prescribe”), a frequentative of dīcō (“to say”).

It is from Latin dictō (“to dictate”) + -ūra, belonging to dictātor.

It is the frequentative from Latin dīcō (“to say”) + -tō, from its supine stem, as Priscian notes.

It is from Latin differēns (“differing”) + -ia, from the present participle of differō “to carry apart, differ”.

It is from Latin dis- + farciō (“to cram, stuff”), formed as if it were the perfect passive participle of a verb ⟨*differciō⟩, like cōnfertus beside cōnferciō. The TLL derives it in the same way…

It is from Latin diffīdēns (“distrustful”) + -ia, from the present participle of diffīdō (“to distrust”), a compound of dis- and fīdō (“to trust”). De Vaan traces fīdō to Proto-Indo-European…

It is formed from Latin dis- (“apart, not”) + fīdō (“to trust”). De Vaan derives ⟨fīdō⟩ from Proto-Italic *feiþe- and Proto-Indo-European *bʰeydʰ-e/o- (“to trust”), the root also of fidēs (“faith”)…

It is from Latin dis- + fugiō (“to flee”). De Vaan traces ⟨fugiō⟩ to Proto-Italic *fug-i- (“to flee”) and Proto-Indo-European *bʰug-i- (“to flee”), cognate with Ancient Greek φεύγω (pheúgō, “to…

It is formed from Latin dīgerō (“to carry apart, distribute”) + -tiō. De Vaan lists the verb among the compounds of gerō (“to bear, carry”), which goes back to Proto-Italic *ges-e/o- and…

It is from Latin dignor (“to deem worthy”) + -tiō. dignor is from dignus (“worthy”), which de Vaan derives from Proto-Italic *dek-no- and Proto-Indo-European *deḱ-no-, treating it under decet.

It is formed from Latin dīgredior (“to go apart, depart”) + -tiō. De Vaan lists the verb among the compounds of gradior (“to step, walk”), which goes back to Proto-Italic *grad-(e)i- and…

It is from Latin dīgredior (“to go apart, depart”) + -tus. dīgredior is a compound of dis- (“apart”) and gradior (“to step, walk”), which de Vaan traces to Proto-Italic *grad-(e)i- and…

It is from Latin dis- + laniō (“to tear, mangle”). The verb comes from lanius (“butcher”). Walde and Hofmann took that family to be Etruscan, which de Vaan finds rash; he prefers a connection with…

It is from Latin differō (“to put off”) + -tiō, formed on the participle dīlātus. The participle lātus (“carried”) of ferō goes back, in de Vaan's account, to Proto-Italic *tlāto- and…

The OLD, Gaffiot and Etymonline derive it from Latin dis- (“apart”) + lātus (“wide”) + -ō, and Lewis & Short and the Thesaurus take it as a frequentative of differō, participle ⟨dīlātus⟩.

It is from Latin dīmētior (“to measure out”) + -tiō. The verb is a compound of dis- and mētior (“to measure”); de Vaan lists ⟨dīmētīrī⟩ “to measure out, weigh out” from Plautus on among its…

It is from Latin dis- + micō (“to flicker, dart”). De Vaan traces ⟨micō⟩ to Proto-Italic *mikaje-, from Proto-Indo-European *mikH-éye- (“to blink”).

It is borrowed from Ancient Greek διοίκησις (dioíkēsis, “administration; district”), the noun of διοικέω (dioikéō, “to administer”).