Where does “dérivatif” come from?

dérivatif (Middle French) comes from Latin dērīvātus, from Latin dērīvō, from Latin dē-, from Latin dē, from Latin post, from Latin poste, from Proto-Italic posti, from Proto-Indo-European pósti — afterwards, post; by, at.

Ancestry of “dérivatif”, step by step

Step	Language	Word	Meaning
1	Latin	dērīvātus	drawn off, diverted, derived
2	Latin	dērīvō	To draw or lead off
3	Latin	dē-	of; from
4	Latin	dē	of; concerning; about
5	Latin	post	behind; after, since, besides, except; behind,...
6	Latin	poste	ablative singular of postis
7	Proto-Italic	posti	behind, after
8	Proto-Indo-European	pósti	after
9	Proto-Indo-European	pós	afterwards, post; by, at

Words derived from “dérivatif”

Every word from Proto-Indo-European pós →Every word from Latin dē- →Every word from Proto-Indo-European pósti →