dormio
Etymology and origin of the Latin word dormio
Pronunciation
Forms
dormiō (present infinitive dormīre, perfect active dormīvī or dormiī, supine dormītum); fourth conjugation, impersonal in the passive[1]
Etymology
It is inherited from Proto-Italic *dormje/o-, inherited from Proto-Indo-European *dr̥m-yé- (“to sleep”).[2][1] De Vaan notes that the roots *drem- and *dreH- both mean “to run” and “to sleep”, the second sense being found for *drem- only in Latin and Slavic.[2]
Cognate with Old Church Slavonic дрѣмати (drěmati, “to doze”), Russian дремать (drematʹ, “to doze”), Sanskrit द्राति (drāti, “sleeps”) and Ancient Greek δαρθάνω (darthánō, “to fall asleep”).[2][3][1]
Earliest recorded meaning
It is found from Plautus onwards,[2][4] who has a character told to go to bed answer dormio “I am asleep, don't shout”.[5][3]
Semantic evolution
Besides sleeping, it meant to behave as if asleep, to be idle or inactive, as when Cicero attacks a consul who sat “dozing” in a crisis.[3][5] In poetry it took an object of time, as in Catullus' “one everlasting night must be slept”.[3][6] It also stood for the sleep of death, especially in Christian epitaphs.[5][7] Cicero's non omnibus dormio “I do not sleep for everyone” meant “I am not blind to everything”.[5][6]
It survives as French and Spanish dormir and Italian dormire,[1] and its derivative dormitorium gave English dormitory, while the participle gave English dormant through French.[8]
Timeline
- c. 250–184 BC – Plautus uses it for sleeping.[3][4]
- 234–149 BC – Cato uses the future dormibit.[3][4]
- 81/79–52/50 BC – Catullus writes of one everlasting night to be slept.[3][4]
- 81–43 BC – Cicero uses it of an idle consul.[3][4]
Meanings
Verb
- To sleep, be asleep, fall asleep.[3][5]
- To sleep through (a period of time).[3]
- To be idle, inactive.[3]
- To sleep the sleep of death.[5]
Word family
- addormiō
- condormiō
- dormītiō
- dormītō
- dormītor
- ēdormiō
- indormiō
- obdormiō
- prōdormiō
- redormiō
- dormīscō
Related words
- English dormant
- English dormitory
References
- ^ a b c d e f Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c d e f g h i j k Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c d e Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c d e f Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b Gaffiot, Félix (2016), Dictionnaire latin-français, new ed. by Gérard Gréco et al. (Gaffiot 2016), online ed.
- ^ Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
- ^ Harper, Douglas, Online Etymology Dictionary, https://www.etymonline.com
Related etymologies
Cite this entry
“Dormio.” Etymologically, 10 Oct. 2026, etymologically.com/la/dormio. Accessed 10 Oct. 2026.
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