Where does “kôpen” come from?

kôpen (Middle Low German) comes from Old Saxon kōpōn, from Proto-West Germanic *kaupōn, from Proto-Germanic kaupōną, from Proto-Germanic kaupô, from Latin caupo, from Proto-Indo-European kaup-.

Ancestry of “kôpen”, step by step

StepLanguageWordMeaning
1Old Saxonkōpōn—
2Proto-West Germanic*kaupōnto buy
3Proto-Germanickaupōnąto buy; trade
4Proto-Germanickaupôinnkeeper; merchant
5LatincaupoTradesman; Innkeeper, shopkeeper
6Proto-Indo-Europeankaup-—

Words derived from “kôpen”

Every word from Proto-Indo-European kaup- →Every word from Latin caupo →Every word from Proto-Germanic kaupô →