Where does “skarp” come from?

skarp (Old Frisian) comes from Proto-Germanic skarpaz, from Proto-Indo-European (s)kerb-, from Proto-Indo-European sḱer- — to caw, crow.

Ancestry of “skarp”, step by step

StepLanguageWordMeaning
1Proto-Germanicskarpazrough
2Proto-Indo-European(s)kerb-rough, sharp
3Proto-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 →