The story
- Proto-Germanic · inherited from*amslǭ
- Proto-West Germanic · inherited from*ą̄slā
- Old English · inherited fromōsle
- Middle English · inherited fromosel
- English todayouzel
From Middle English osel, from Old English ōsle, from Proto-West Germanic *ą̄slā, *amslā, from Proto-Germanic *amslǭ. Cognate with German Amsel. For the spelling, compare Early Modern English bloud (“blood”).
Etymology from Wiktionary, CC BY-SA 4.0.