Where does “Demetrio” come from?

Demetrio (Spanish) comes from Latin Demetrius, from Ancient Greek Δημήτριος, from Ancient Greek Δημήτηρ, from Ancient Greek μήτηρ, from Proto-Hellenic mā́tēr, from Proto-Indo-European méh₂tēr — mother.

Ancestry of “Demetrio”, step by step

Step	Language	Word	Meaning
1	Latin	Demetrius	—
2	Ancient Greek	Δημήτριος	—
3	Ancient Greek	Δημήτηρ	Demeter
4	Ancient Greek	μήτηρ	mother; source or origin
5	Proto-Hellenic	mā́tēr	mother
6	Proto-Indo-European	méh₂tēr	mother

Every word from Proto-Indo-European méh₂tēr →