quinquagenarian

/ˌkwɪŋkwəd͡ʒəˈnɛɹiən/

UK: /ˌkwɪŋkwəd͡ʒɪˈnɛəɹɪən/

quinquagenarian

English Noun

Definition

Synonym of pentecoster: an officer who commands 50 men.

Etymology

From Latin quinquāgēnārius (“containing 50”) + -an, either directly or via French quinquagénaire, from Latin quīnquāgēnus (“50 each”) + -ārius (“-ary”), from quīnquāgintā (“five tens, fifty”). Cognate with quinquagenary.