The story
- Latin · derived fromoctōgēnus“80 each”
- French · derived fromoctogénaire
- Latin · borrowed fromoctōgēnārius
- English todayoctogenarian
From Latin octōgēnārius + -an (suffix forming adjectives and representative nouns), either directly or via French octogénaire, from Latin octōgēnus (“80 each”) + -ārius (“-ary”), from octōgintā (“eight tens, 80”).
Words from the same roots
Latinoctōgēnārius all →
Frenchoctogénaire all →
Latinoctōgēnus all →
Etymology from Wiktionary, CC BY-SA 4.0.