The story
- Latin · derived fromcōnfessiō, cōnfessiōnem“confession, acknowledgment, creed or avowal of one's faith”
- Old French · derived fromconfession
- Middle English · inherited fromconfessioun
- English todayconfession
From Middle English confessioun, from Old French confession, from Latin cōnfessiō, cōnfessiōnem (“confession, acknowledgment, creed or avowal of one's faith”). Displaced native Old English andetnes. Doublet of confessio. Morphologically confess + -ion. Sense 6 is a calque of 告白 (kokuhaku).
Etymology from Wiktionary, CC BY-SA 4.0.