Where does “cumb” come from?

cumb (Middle English) comes from Old English cumb, from Proto-Germanic kumbaz — bowl, vessel; vat, tub.

Ancestry of “cumb”, step by step

StepLanguageWordMeaning
1Old Englishcumba hollow, narrow valley, combe; a measure of...
2Proto-Germanickumbazbowl, vessel; vat, tub
Every word from Proto-Germanic kumbaz →Every word from Old English cumb →
cumb — Etymology, Origin & Word History | Etymology Explorer