Where does “shaar” come from?

shaar (Middle English) comes from Middle English schare, from Old English scearu, from Proto-West Germanic *skaru, from Proto-Germanic skarō, from Proto-Indo-European sḱer- — to caw, crow.

Ancestry of “shaar”, step by step

StepLanguageWordMeaning
1Middle EnglishschareA portion or share
2Old Englishscearua cutting; shaving; a shearing; tonsure
3Proto-West Germanic*skaru—
4Proto-Germanicskarōa portion; share; a division; detachment; troop;...
5Proto-Indo-Europeansḱer-to caw, crow
Every word from Proto-Indo-European sḱer- →Every word from Proto-Germanic skarō →Every word from Proto-West Germanic *skaru →