Where does “kô” come from?

kô (Middle Low German) comes from Old Saxon kō, from Proto-West Germanic *kō, from Proto-Germanic *kōz — cow.

Ancestry of “kô”, step by step

StepLanguageWordMeaning
1Old Saxonkōcow
2Proto-West Germanic*kōcow
3Proto-Germanic*kōzcow

Words derived from “kô”

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