Where does “kornoet” come from?

kornoet (Dutch) comes from Dutch kornuit, from Middle Dutch cornuut, from Old French cornut, from Latin Cornutus, from Latin cornū, from Proto-Indo-European ḱerh₂- — head, top; horn.

Ancestry of “kornoet”, step by step

StepLanguageWordMeaning
1Dutchkornuitchum, companion, mate; cuckold
2Middle Dutchcornuut—
3Old Frenchcornut—
4LatinCornutushorned, having horns
5Latincornūhorn; antler
6Proto-Indo-Europeanḱerh₂-head, top; horn
Every word from Proto-Indo-European ḱerh₂- →Every word from Latin cornū →Every word from Latin Cornutus →