Where does “coupen” come from?

coupen (Middle English) comes from Old Norse kaupa, from Proto-Germanic kaupōną, from Proto-Germanic kaupô, from Latin caupo, from Proto-Indo-European kaup-.

Ancestry of “coupen”, step by step

StepLanguageWordMeaning
1Old Norsekaupato buy
2Proto-Germanickaupōnąto buy; trade
3Proto-Germanickaupôinnkeeper; merchant
4LatincaupoTradesman; Innkeeper, shopkeeper
5Proto-Indo-Europeankaup-—

Words derived from “coupen”

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