The story
- Latin · derived fromūsurpātiō
- Old French · derived fromusurpacion
- Middle English · inherited fromusurpacioun
- English todayusurpation
From Middle English usurpacioun, from Old French usurpacion, from Latin ūsurpātiō; equivalent to usurp + -ation.
Etymology from Wiktionary, CC BY-SA 4.0.