The story
- Late Latin · derived frominānītio
- Old French · derived frominanition
- Middle English · inherited frominanicioun
- English todayinanition
From Middle English inanicioun, borrowed from Old French inanition, itself borrowed from Late Latin inānītio, from inānīre (“to make empty”), from inānis (“empty, vain”); see inane.
Etymology from Wiktionary, CC BY-SA 4.0.