Where does “inderivability” come from?

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

Ancestry of “inderivability”, step by step

StepLanguageWordMeaning
1Englishinderivable
2Englishderivableable to be derived, deducible
3EnglishderiveTo obtain or receive from something else; To...
4Frenchdérivedrift; centreboard; first-person singular present...
5Frenchdériverto derive; to drift; to redirect, to divert
6Frenchdé-used to make antonyms
7Middle Frenchdés-de-; dis
8Latindē-of; from
9Latinof; concerning; about
10Latinpostbehind; after, since, besides, except; behind,...
11Latinposteablative singular of postis
12Proto-Italicpostibehind, after
13Proto-Indo-Europeanpóstiafter
14Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European pós