The story
- Latin · derived frompurgātōrium“cleansing”
- Old French · derived frompurgatore
- Middle English · inherited frompurgatorie
- English todaypurgatory
From Middle English purgatorie, from Old French purgatore, purgatorie, from Latin purgātōrium (“cleansing”). Cognate to English purge.
Etymology from Wiktionary, CC BY-SA 4.0.