Where does “vastene” come from?

vastene (Middle Dutch) comes from Old Dutch fastunna, from Proto-Germanic fastubniją, from Proto-Germanic fastāną, from Proto-Germanic -āną, from Proto-Germanic -ajaną, from Proto-Indo-European -oyéti, from Proto-Indo-European -yéti, from Proto-Indo-European yé- — he, she.

Ancestry of “vastene”, step by step

StepLanguageWordMeaning
1Old Dutchfastunna
2Proto-Germanicfastubnijąobservance; fasting
3Proto-Germanicfastānąto observe, hold firm to; to fast, to abstain...
4Proto-Germanic-ānąCreates factitive verbs from adjectives, later...
5Proto-Germanic-ajaną
6Proto-Indo-European-oyétiCreates factitive verbs from adjectives
7Proto-Indo-European-yétiCreates intransitive, often deponent,...
8Proto-Indo-Europeanyé-
9Chichewaiyehe, she
Every word from Chichewa iyeEvery word from Proto-Indo-European -yétiEvery word from Proto-Germanic -āną