Etymologically
← History of decimus

decimus Latin · revision 3812

15 Oct 2026, 20:26 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)” current version

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+ {{infobox|confidence=established|formation=inherited|attested=Plautus|origins=ine-pro *deḱm-}}
+
+ ==Pronunciation==
+ * IPA (Classical): [ˈdɛ.kɪ.mʊs]^(Wiktionary)
+ * IPA (Ecclesiastical): [ˈdɛː.t͡ʃi.mus]^(Wiktionary)
+
+ ==Forms==
+ '''decimus''' (feminine decima, neuter decimum); first/second-declension numeral^(Wiktionary)
+
+ ==Etymology==
+ It is [[inh|itc-pro|*dekamo-|t=tenth]], the ordinal of [[decem]] “ten”, from [[ine-pro|*deḱm|t=ten]].^(de Vaan 2008)^(Wiktionary)^(OLD 2012) Lewis & Short describe it as ''decem'' with a superlative ending.^(Lewis & Short 1879) A spelling [[m|la|decumus]] prevailed in later legal language.^(Lewis & Short 1879)
+
+ Compare [[sa|दशम|tr=daśamá|t=tenth]] and [[sga|dechmad|t=tenth]].^(OLD 2012)^(TLL)
+
+ ==Earliest recorded meaning==
+ Plautus uses it of the tenth month and of a tenth part, the tithe.^(Lewis & Short 1879)^(Gaffiot 2016) Köbler dates Plautus c. 250–184 BC.^(Köbler 2010)
+
+ ==Semantic evolution==
+ It meant tenth, often counted inclusively, as the tenth legion in Caesar and the tenth hour in Cicero.^(OLD 2012)^(Georges 1913) ''Decimus quisque'' was every tenth man.^(Georges 1913) As a noun ''decima'' was a tithe.^(Gaffiot 2016)^(Köbler 2010) ''Decimus'' was also a Roman first name.^(OLD 2012)^(Lewis & Short 1879)
+
+ In medieval Latin it also meant a tithe payment and a fee of ten per cent.^(Köbler 2010) English ''dime'', “a tenth, tithe”, came through Old French in the late 14th century and was chosen in 1786 for the United States coin.^(Etymonline)
+
+ ==Timeline==
+ * c. 250–184 BC – Plautus uses it of the tenth month and of a tithe.^(Lewis & Short 1879)^(Gaffiot 2016)^(Köbler 2010)
+ * c. 50 BC – Caesar writes of the tenth legion.^(Lewis & Short 1879)^(Köbler 2010)
+ * late 14th century – English ''dime'' is recorded.^(Etymonline)
+ * 1801 – English ''deci-'' is taken from it through French.^(Etymonline)
+
+ ==Meanings==
+ ===Adjective===
+ # [[m|en|Tenth]].^(OLD 2012)^(Wiktionary)
+ # ''decimus quisque'': every tenth one.^(Georges 1913)
+ # ''(feminine noun, decima)'' A tenth part, a [[m|en|tithe]].^(Gaffiot 2016)^(Köbler 2010)
+
+ ==Word family==
+ * [[decimānus]]
+ * [[decima]]
+ * [[decimō]]
+ * [[octāvusdecimus]]
+ * [[quindecimus]]
+
+ ==Related words==
+ * [[decem]]
+ * [[en|dime]]
+ * [[en|decimate]]
+
+ ==Usage notes==
+ ''Decimus'', abbreviated D., was a Roman first name, at first for a tenth-born son.^(OLD 2012)^(Wiktionary)
+
+ ==References==
+ {{reflist}}