Where does “unsharpness” come from?

unsharpness (English) comes from English unsharp, from English sharp, from Middle English scharp, from Old English sċearp, from Proto-West Germanic skarp, from Proto-Germanic skarpaz, from Proto-Indo-European (s)kerb-, from Proto-Indo-European sḱer- — to caw, crow.

unsharpness (English): The condition of being unsharp

Definitions

  1. The condition of being unsharp

Ancestry of “unsharpness”, step by step

unsharpness traces back through two separate lines of ancestry.

via English unsharp

StepLanguageWordMeaning
1EnglishunsharpNot sharp; out of focus; To sharpen by creating...
2EnglishsharpTerminating in a point or edge, especially one...
3Middle Englishscharpsharp
4Old Englishsċearpsharp
5Proto-West Germanicskarpsharp
6Proto-Germanicskarpazrough
7Proto-Indo-European(s)kerb-rough, sharp
8Proto-Indo-Europeansḱer-to caw, crow

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European sḱer-