The story
- Latin · derived fromprōtēctor
- Anglo-Norman · derived fromprotectour
- Middle English · inherited fromprotectour
- English todayprotector
From Middle English protectour, from Anglo-Norman protectour, protector and its etymon Latin prōtēctor, from prōtegō (“shield, protect”). By surface analysis, protect + -or. Displaced native Old English sċildend.
Etymology from Wiktionary, CC BY-SA 4.0.