Etymologically
← History of octonus

octonus Latin · revision 35699

20 Oct 2026, 19:37 by bogdan “New Latin entry (la10k)” current version

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+ {{infobox|confidence=established|formation=derivation|attested=c. 250–184 BC, Plautus|origins=la octō}}
+
+ ==Pronunciation==
+ * Classical: [ɔkˈtoː.nʊs]^(Wiktionary)
+ * Ecclesiastical: [okˈtɔː.nus]^(Wiktionary)
+
+ ==Forms==
+ '''octōnus''' (feminine octōna, neuter octōnum); first/second-declension numeral^(Wiktionary)
+ It is mostly plural, ''octōnī, -ae, -a''; the singular is rare.^(OLD 2012)^(Lewis & Short 1879)
+ Köbler also records the form ''octēnī''.^(Köbler 2010)
+ Manuscripts also spell it with ''ott-'' and ''-ten-''.^(TLL)
+
+ ==Etymology==
+ It is [[af|la|octō|-nus|t1=eight]], the distributive numeral of the series “one each, two each…”.^(OLD 2012)^(Wiktionary)^(Köbler 2010) Priscian already lists it among the distributives.^(TLL)
+
+ ==Earliest recorded meaning==
+ It is found from Plautus on,^(Köbler 2010)^(OLD 2012) meaning “eight each”: in the ''Captivi'' others “dig out eight stones each” (''alii octonos lapides ecfodiunt'').^(OLD 2012)^(Lewis & Short 1879)
+
+ ==Semantic evolution==
+ The distributive sense, “eight apiece”, runs through Classical prose: Varro has sows that can rear eight piglets each, Cicero a price of eight sesterces for each modius, and Livy eight thousand foot soldiers given to each praetor.^(OLD 2012) From this it came to mean “eight at a time, in groups of eight”, as in Caesar's eight rows of the same kind and Pliny the Elder's fish that swims with eight fins.^(OLD 2012)^(Lewis & Short 1879)
+
+ Poets use it simply for “eight”, especially in multiplied numbers: Ovid counts “twice eight birthdays” (''octonis iterum natalibus actis''), and Statius uses ''bis octoni'' in the same way.^(OLD 2012)^(Lewis & Short 1879)^(Georges 1913) The singular, found in an inscription,^(OLD 2012) became more common in Late Latin, where Hilary of Poitiers writes ''octonus numerus'' for “the number eight”^(Lewis & Short 1879)^(Georges 1913) and Ausonius ''bis octono sub consule''.^(Georges 1913)
+
+ ==Timeline==
+ * c. 250–184 BC – Plautus uses it for “eight each”.^(OLD 2012)^(Köbler 2010)
+ * 116–27 BC – Varro uses it of piglets reared eight to a sow.^(OLD 2012)^(Köbler 2010)
+ * c. 50 BC – Caesar uses it for rows set eight at a time.^(OLD 2012)^(Köbler 2010)
+ * 43 BC–18 AD – Ovid uses it in the multiplied number “twice eight”.^(OLD 2012)^(Köbler 2010)
+ * c. 315–367/368 AD – Hilary of Poitiers uses the singular for “the number eight”.^(Lewis & Short 1879)^(Georges 1913)^(Köbler 2010)
+
+ ==Meanings==
+ ===Numeral===
+ # ''(plural)'' Eight [[m|en|each]], eight apiece.^(OLD 2012)^(Lewis & Short 1879)
+ # ''(plural)'' Eight at a time, in groups of eight.^(OLD 2012)^(Gaffiot 2016)
+ # ''(poetic)'' Eight, especially in multiplied numbers such as ''bis octōnī'', “sixteen”.^(OLD 2012)^(Lewis & Short 1879)^(Wiktionary)
+ # ''(singular, Late Latin)'' ''octōnus numerus'', the [[m|en|number]] eight.^(Lewis & Short 1879)^(Georges 1913)
+
+ ==Word family==
+ * [[octōnārius]]
+
+ ==References==
+ {{reflist}}