Where does “posterle” come from?

posterle (Old French) comes from Latin posterula, from Latin posterus, 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 “posterle”, step by step

StepLanguageWordMeaning
1Latinposterulaback door
2Latinposterusfollowing, next, coming after; inferior
3Latinpostbehind; after, since, besides, except; behind,...
4Latinposteablative singular of postis
5Proto-Italicpostibehind, after
6Proto-Indo-Europeanpóstiafter
7Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti