Where does “kū” come from?

kū (Old Frisian) comes from Proto-West Germanic *kō, from Proto-Germanic *kōz — cow.

Ancestry of “kū”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*kōcow
2Proto-Germanic*kōzcow

Words derived from “kū”

Every word from Proto-Germanic *kōz →Every word from Proto-West Germanic *kō →