Where does “deterioratus” come from?

deterioratus (Late Latin) comes from Late Latin deterioro, from Latin deterior, from Latin dēter, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.

Ancestry of “deterioratus”, step by step

StepLanguageWordMeaning
1Late Latindeterioro
2Latindeteriorworse
3Latindēter
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
Every word from Proto-Indo-European pósEvery word from Proto-Indo-European póstiEvery word from Proto-Italic posti
deterioratus — Etymology, Origin & Word History | Etymology Explorer