Where does “kis” come from?

kis (Middle English) comes from Middle English cos, from Old English coss, from Proto-West Germanic koss, from Proto-Germanic kussaz — kiss.

Ancestry of “kis”, step by step

StepLanguageWordMeaning
1Middle Englishcosa kiss action of kissing
2Old Englishcosskiss
3Proto-West Germanickosskiss
4Proto-Germanickussazkiss

Words derived from “kis”

Every word from Proto-Germanic kussaz →Every word from Proto-West Germanic koss →Every word from Old English coss →