Where does “koopje” come from?

koopje (Saterland Frisian) comes from Old Frisian kāpia, from Proto-West Germanic *kaupōn, from Proto-Germanic kaupōną, from Proto-Germanic kaupô, from Latin caupo, from Proto-Indo-European kaup-.

koopje (Saterland Frisian): to buy

Definitions

  1. to buy

Ancestry of “koopje”, step by step

StepLanguageWordMeaning
1Old Frisiankāpiato buy
2Proto-West Germanic*kaupōnto buy
3Proto-Germanickaupōnąto buy; trade
4Proto-Germanickaupôinnkeeper; merchant
5LatincaupoTradesman; Innkeeper, shopkeeper
6Proto-Indo-Europeankaup-—
Every word from Proto-Indo-European kaup- →Every word from Latin caupo →Every word from Proto-Germanic kaupô →