Where does “pos” come from?

pos (Vulgar Latin) comes from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti, from Proto-Indo-European pós — afterwards, post; by, at.

Ancestry of “pos”, step by step

pos traces back through two separate lines of ancestry.

via Latin post

StepLanguageWordMeaning
1Latinpostbehind; after, since, besides, except; behind,...
2Latinposteablative singular of postis
3Proto-Italicpostibehind, after
4Proto-Indo-Europeanpóstiafter
5Proto-Indo-Europeanpósafterwards, post; by, at

via Classical Latin post

StepLanguageWordMeaning
1Classical Latinpost

Words derived from “pos

Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti