Where does “kōpōn” come from?

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

Ancestry of “kōpōn”, step by step

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

Words derived from “kōpōn

Every word from Proto-Indo-European kaup-Every word from Latin caupoEvery word from Proto-Germanic kaupô