The story
- Latin · derived fromcōnfessor
- Anglo-Norman · derived fromconfessour
- Middle English · inherited fromconfessor
- English todayconfessor
From Middle English confessor, confessour, from Anglo-Norman confessour, and its source, Latin cōnfessor, from cōnfiteor (“confess, admit, acknowledge”). By surface analysis, confess + -or.
Etymology from Wiktionary, CC BY-SA 4.0.