Where does “henn” come from?

henn (Old Frisian) comes from Proto-West Germanic *hannju, from Proto-Germanic hanjō, from Proto-Indo-European keh₂n- — to sing.

Ancestry of “henn”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*hannjuhen
2Proto-Germanichanjōhen
3Proto-Indo-Europeankeh₂n-to sing

Words derived from “henn

Every word from Proto-Indo-European keh₂n-Every word from Proto-Germanic hanjōEvery word from Proto-West Germanic *hannju