The story
- Proto-Indo-European*ís?
- Proto-Indo-European*h₁óynos
- Proto-Indo-European*h₁oy-no-kós
- Proto-Germanic*ainagaz
- Proto-West Germanic*ainag
- Old Englishǣniġ
- Middle Englishani
- English todayany
From Middle English any, eny, ony, ani, aniȝ, eniȝ, æniȝ, from Old English ǣniġ (“any”), from Proto-West Germanic *ainīg, *ainag, from Proto-Germanic *ainagaz, from Proto-Germanic *ainaz (“one”), equivalent to one + -y. Cognate with Saterland Frisian eenich (“some”), West Frisian iennich (“only”), Dutch enig (“any, some”), Afrikaans enig (“any”), German Low German enig (“some”), German einig (“some”); via Proto-Indo-European *óynos cognate with Latin ūllus (“any”), Latin ūnicus (whence Italian unico (“unique”), French unique (“unique”)). Piecewise doublet of unique.
Etymology from Wiktionary, CC BY-SA 4.0.