Where does “hraca” come from?

hraca (Old English) comes from Proto-West Germanic *hrakō, from Proto-Indo-European kreg-, from Proto-Indo-European ker- — army.

Ancestry of “hraca”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*hrakōthe back of the mouth; throat, gullet
2Proto-Indo-Europeankreg-to caw, crow
3Proto-Indo-Europeanker-army
Every word from Proto-Indo-European ker- →Every word from Proto-Indo-European kreg- →Every word from Proto-West Germanic *hrakō →