Where does “inderivable” come from?

inderivable (English) comes from English derivable, from English derive, from French dérive, from French dériver, from French dé-, from Middle French dés-, from Latin dē-, from Latin dē — afterwards, post; by, at.

Ancestry of “inderivable”, step by step

StepLanguageWordMeaning
1Englishderivableable to be derived, deducible
2EnglishderiveTo obtain or receive from something else; To...
3Frenchdérivedrift; centreboard; first-person singular present...
4Frenchdériverto derive; to drift; to redirect, to divert
5Frenchdé-used to make antonyms
6Middle Frenchdés-de-; dis
7Latindē-of; from
8Latinof; concerning; about
9Latinpostbehind; after, since, besides, except; behind,...
10Latinposteablative singular of postis
11Proto-Italicpostibehind, after
12Proto-Indo-Europeanpóstiafter
13Proto-Indo-Europeanpósafterwards, post; by, at

Words derived from “inderivable

Every word from Proto-Indo-European pós