Where does “Valea lui Câine” come from?

Valea lui Câine (Romanian) comes from Romanian câine, from Latin Canis, from Ancient Greek δρόμος, from Ancient Greek -ός, from Proto-Hellenic *-os, from Proto-Indo-European -ós — Creates agent nouns from verb stems, denoting...

Ancestry of “Valea lui Câine”, step by step

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

via Romanian câine

Step	Language	Word	Meaning
1	Romanian	câine	dog
2	Latin	Canis	a dog, a hound animal
3	Ancient Greek	δρόμος	race, running; racetrack; course, path
4	Ancient Greek	-ός	Forms agentive or patientive adjectives and nouns from the o-grade of a verbal root
5	Proto-Hellenic	*-os	—
6	Proto-Indo-European	-ós	Creates agent nouns from verb stems, denoting...

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 vale

Step	Language	Word	Meaning
1	Romanian	vale	valley
2	Latin	vallis	valley, vale; hollow; dative plural of vāllum
3	Proto-Indo-European	wēlH-	to roll, to undulate
4	Proto-Indo-European	welH-	to turn, to wind

Every word from Proto-Indo-European -ós →Every word from Ancient Greek -ός →Every word from Ancient Greek δρόμος →