Where does “meros” come from?

meros (English) comes from Ancient Greek μέρος, from Proto-Hellenic *(h)méros.

meros (English): the proximal segment of the hind limb; the thigh;...

Definitions

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