The story
- Proto-Germanic · inherited from*unskarpaz
- Proto-West Germanic · inherited from*unskarp
- Old English · inherited fromunsċearp
- Middle English · inherited from*unscharp
- English todayunsharp
From Middle English *unscharp, from Old English unsċearp, from Proto-West Germanic *unskarp, from Proto-Germanic *unskarpaz, equivalent to un- + sharp. Cognate with Saterland Frisian uunskäärp (“unsharp”), West Frisian ûnskerp (“unsharp”), Dutch onscherp (“unsharp”), German Low German unscharp (“unsharp”), German unscharf (“unsharp”), Danish uskarp (“unsharp”), Swedish oskarp (“unsharp”), Norwegian uskarp (“unsharp”).
Etymology from Wiktionary, CC BY-SA 4.0.