Where does “dérogation” come from?

dérogation (Middle French) comes from Old French derogacion, from Latin derogatio, from Latin dērogō, from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti — afterwards, post; by, at.

Ancestry of “dérogation”, step by step

StepLanguageWordMeaning
1Old Frenchderogacion
2LatinderogatioA partial abrogation of a law; derogation
3Latindērogōto take away, diminish, remove, withdraw, (with dative) detract from
4Latindē-of; from
5Latinof; concerning; about
6Latinpostbehind; after, since, besides, except; behind,...
7Latinposteablative singular of postis
8Proto-Italicpostibehind, after
9Proto-Indo-Europeanpóstiafter
10Proto-Indo-Europeanpósafterwards, post; by, at

Words derived from “dérogation

Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti