Where does “génial” come from?

génial (Middle French) comes from Latin genialis, from Latin -alis, from Proto-Indo-European -li-.

Ancestry of “génial”, step by step

Step	Language	Word	Meaning
1	Latin	genialis	Of or pertaining to marriage; nuptial, genial; Of...
2	Latin	-alis	Used to form adjectives of relationship from...
3	Proto-Indo-European	-li-	—

génial — Etymology, Origin & Word History | Etymology Explorer