octogenarius

Latin

Etymology

From octogēnus (“eighty each”) +‎ -ārius (“-ary: forming denumeral adjs”), from octogintā (“eight tens, eighty”).

Pronunciation

• (Classical Latin) IPA^(key): /ok.toː.ɡeːˈnaː.ri.us/, [ɔkt̪oːɡeːˈnäːriʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ok.to.d͡ʒeˈna.ri.us/, [okt̪od͡ʒeˈnäːrius]

Adjective

octōgēnārius (feminine octōgēnāria, neuter octōgēnārium); first/second-declension adjective

1. (relational) eighty
2. eighty-year-old

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	octōgēnārius	octōgēnāria	octōgēnārium		octōgēnāriī	octōgēnāriae	octōgēnāria
Genitive	octōgēnāriī	octōgēnāriae	octōgēnāriī		octōgēnāriōrum	octōgēnāriārum	octōgēnāriōrum
Dative	octōgēnāriō		octōgēnāriō		octōgēnāriīs
Accusative	octōgēnārium	octōgēnāriam	octōgēnārium		octōgēnāriōs	octōgēnāriās	octōgēnāria
Ablative	octōgēnāriō	octōgēnāriā	octōgēnāriō		octōgēnāriīs
Vocative	octōgēnārie	octōgēnāria	octōgēnārium		octōgēnāriī	octōgēnāriae	octōgēnāria

Descendants

• English: octogenary, octogenarian
• French: octogénaire

References

• “octogenarius”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• octogenarius in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.