Where does “cuigne” come from?

cuigne (French) comes from French coin, from Old French coin, from Latin cuneus, from Proto-Indo-European h₂ḱū, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “cuigne”, step by step

StepLanguageWordMeaning
1Frenchcoinwedge, cornerpiece; corner; area, part, place,...
2Old Frenchcoin—
3Latincuneuswedge, wedge shape; troops arrayed in a wedge...
4Proto-Indo-Europeanh₂ḱūsting
5Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “cuigne”

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂ḱū →Every word from Latin cuneus →