Where does “fūlen” come from?

fūlen (Middle High German) comes from Old High German fūlēn, from Proto-Germanic fūlāną, from Proto-Germanic -āną, from Proto-Germanic -ajaną, from Proto-Indo-European -oyéti, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

Ancestry of “fūlen”, step by step

StepLanguageWordMeaning
1Old High Germanfūlēn
2Proto-GermanicfūlānąTo become foul; rot; decay
3Proto-Germanic-ānąCreates factitive verbs from adjectives, later...
4Proto-Germanic-ajaną
5Proto-Indo-European-oyétiCreates factitive verbs from adjectives
6Proto-Indo-European-yétiCreates intransitive, often deponent,...
7Proto-Indo-Europeanyé-
8Chichewaiyehe, she

Words derived from “fūlen

Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Germanic -āną