The story
- French · derived fromréforme
- Latin · derived fromreformo, reformare
- Old French · derived fromreformer
- Middle English · inherited fromreformen
- English todayreform
From Middle English reformen, from Old French reformer, from Latin reformo, reformare. As a noun since 1660s, from French réforme.
Etymology from Wiktionary, CC BY-SA 4.0.