Where does “dibynnu” come from?

dibynnu (Middle Welsh) comes from Proto-Brythonic *dibɨnnɨd, from Latin dependeo, from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.

Ancestry of “dibynnu”, step by step

StepLanguageWordMeaning
1Proto-Brythonic*dibɨnnɨd
2LatindependeoI hang down, from or on; I wait for; I am...
3Latindē-of; from
4Latinof; concerning; about
5Latinpostbehind; after, since, besides, except; behind,...
6Latinposteablative singular of postis
7Proto-Italicpostibehind, after
8Proto-Indo-Europeanpóstiafter
9Proto-Indo-Europeanpósafterwards, post; by, at

Words derived from “dibynnu

Every word from Proto-Indo-European pós