Origin of onion
- Middle English oinyon from Old French oignon from Latin uniō uniōn-
From American Heritage Dictionary of the English Language, 5th Edition
- Middle English onyon, union, oinyon, from Anglo-Norman union et al. and Old French oignon, from Latin Å«niÅnem, accusative of Å«niÅ (“onion, large pearl") (probably from Å«nus (“one"), but perhaps compare Hittite waÅ¡á¸«ar (“garlic"), Sanskrit à¤‰à¤·à¥à¤£ (uá¹£á¹‡a, “onion"), Pashto ÙˆÙˆÚ–Ù‡ (Å«Å¾a, “garlic"), Khowar wÇáº“nÅ« (“garlic")). Displaced the inherited term ramsons.