Where does “mé” come from?

mé (Old Irish) comes from Proto-Celtic mī, from Proto-Indo-European éǵh₂ — I.

mé (Old Irish): I

Definitions

Step	Language	Word	Meaning
1	Proto-Celtic	mī	I, me
2	Proto-Indo-European	éǵh₂	I

mé — Etymology, Origin & Word History | Etymology Explorer