Where does “Valea lui Vlad” come from?

Valea lui Vlad (Romanian) comes from Romanian lui, from Latin illūi, from Latin illī, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “Valea lui Vlad”, step by step

Valea lui Vlad traces back through 3 separate lines of ancestry.

via Romanian lui

StepLanguageWordMeaning
1Romanianluihis; to him
2Latinillūihim dative singular masculine; apparently also genitive
3Latinillīfound in
4Latinillethat; those; "; demonstrative pronoun "; that...
5LatinolleArchaic form of ille
6Proto-Italic*olnosthat

via Romanian Vlad

StepLanguageWordMeaning
1RomanianVlad
2RomanianVladislav
3Proto-Slavicvoldětito rule
4Proto-Balto-Slavicwalˀdā́ˀtei
5Proto-Indo-Europeanh₂welh₁dʰh₁-
6Proto-Indo-Europeanh₂welh₁-to rule; strong, powerful; hair; wool

via Romanian vale

StepLanguageWordMeaning
1Romanianvalevalley
2Latinvallisvalley, vale; hollow; dative plural of vāllum
3Proto-Indo-EuropeanwēlH-to roll, to undulate
4Proto-Indo-EuropeanwelH-to turn, to wind
Every word from Proto-Italic *olnos