Where does “optatif” come from?

optatif (Middle French) comes from Latin optātīvus, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “optatif”, step by step

Step	Language	Word	Meaning
1	Latin	optātīvus	optative
2	Latin	-īvus	Adjective suffix
3	Proto-Indo-European	-iHwós	—
4	Proto-Indo-European	-wós	Creates adjectives from verb stems

Words derived from “optatif”

optative
optatively

Every word from Proto-Indo-European -wós →Every word from Latin -īvus →Every word from Latin optātīvus →