Where does “méride” come from?

méride (French) comes from Ancient Greek μερίς, from Ancient Greek μέρος, from Proto-Hellenic *(h)méros.

Ancestry of “méride”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	μερίς	part; a part
2	Ancient Greek	μέρος	part, component, region; share, portion; one's...
3	Proto-Hellenic	*(h)méros	—

méride — Etymology, Origin & Word History | Etymology Explorer