Where does “affirmative” come from?

affirmative (Middle English) comes from Old French affirmatif, from Latin affirmativus, from Latin affirmō, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

Ancestry of “affirmative”, step by step

StepLanguageWordMeaning
1Old Frenchaffirmatif
2Latinaffirmativusaffirming, affirmative
3Latinaffirmōto present (something) as fixed, firm, or true; affirm, assert, maintain
4Latinad-to; usually prefixed to verbs, in which cases it...
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin

Words derived from “affirmative

Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Latin ad-