Where does “Pârâul lui Dumitru” come from?

Pârâul lui Dumitru (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 “Pârâul lui Dumitru”, step by step

Pârâul lui Dumitru traces back through 3 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 lui

Step	Language	Word	Meaning
1	Romanian	lui	his; to him
2	Latin	illūi	him dative singular masculine; apparently also genitive
3	Latin	illī	found in
4	Latin	ille	that; those; "; demonstrative pronoun "; that...
5	Latin	olle	Archaic form of ille
6	Proto-Italic	*olnos	that

via Romanian pârâu

Step	Language	Word	Meaning
1	Romanian	pârâu	stream; creek; brook

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