Where does “cussan” come from?

cussan (Middle Welsh) comes from Old English cyssan, from Proto-West Germanic *kussijan, from Proto-Germanic kussijaną, from Proto-Germanic -janą, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

Ancestry of “cussan”, step by step

StepLanguageWordMeaning
1Old Englishcyssanto kiss
2Proto-West Germanic*kussijanto kiss
3Proto-Germanickussijanąto kiss
4Proto-Germanic-janąDerives denominatives from nouns and factitives...
5Proto-Indo-European-yétiCreates intransitive, often deponent,...
6Proto-Indo-Europeanyé-—
7Chichewaiyehe, she

Words derived from “cussan”

Every word from Chichewa iye →Every word from Proto-Germanic -janą →Every word from Proto-Indo-European -yéti →
cussan — Etymology, Origin & Word History | Etymology Explorer