Where does “Scharfschützin” come from?

Scharfschützin (German) comes from German Scharfschütze, from German scharf, from Middle High German scharpf, from Old High German scarf, from Proto-West Germanic skarp, from Proto-Germanic skarpaz, from Proto-Indo-European (s)kerb-, from Proto-Indo-European sḱer- — to caw, crow.

Ancestry of “Scharfschützin”, step by step

StepLanguageWordMeaning
1GermanScharfschützesniper
2Germanscharfsharp; able to cut; sharp; sharp; in focus
3Middle High Germanscharpfsharp
4Old High Germanscarfsharp
5Proto-West Germanicskarpsharp
6Proto-Germanicskarpazrough
7Proto-Indo-European(s)kerb-rough, sharp
8Proto-Indo-Europeansḱer-to caw, crow
Every word from Proto-Indo-European sḱer- →Every word from Proto-Indo-European (s)kerb- →Every word from Proto-Germanic skarpaz →