Where does “Adumitroae” come from?

Adumitroae (Romanian) comes from Romanian Dumitru, from Old Church Slavonic Дьмитръ, from Ancient Greek Δημήτριος, from Ancient Greek Δημήτηρ, from Ancient Greek μήτηρ, from Proto-Hellenic mā́tēr, from Proto-Indo-European méh₂tēr — mother.

Ancestry of “Adumitroae”, step by step

Adumitroae traces back through two separate lines of ancestry.

via Romanian Dumitru

Step	Language	Word	Meaning
1	Romanian	Dumitru	—
2	Old Church Slavonic	Дьмитръ	—
3	Ancient Greek	Δημήτριος	—
4	Ancient Greek	Δημήτηρ	Demeter
5	Ancient Greek	μήτηρ	mother; source or origin
6	Proto-Hellenic	mā́tēr	mother
7	Proto-Indo-European	méh₂tēr	mother

via Romanian A

Step	Language	Word	Meaning
1	Romanian	A	—
2	Vulgar Latin	ae(t)	—
3	Latin	habet	third-person singular present active indicative...
4	Latin	habeo	I have, hold; I own, have; I possess, have
5	Proto-Italic	habēō	—
6	Proto-Indo-European	gʰh₁bʰ-	to grab, to take; to grab, take

Every word from Proto-Indo-European méh₂tēr →Every word from Proto-Hellenic mā́tēr →Every word from Ancient Greek μήτηρ →