Where does “Peste Valea Bistrii” come from?

Peste Valea Bistrii (Romanian) comes from Romanian pește, from Latin per, from Latin Ad, from Latin illic, from Latin ille, from Latin olle, from Proto-Italic *olnos — that.

Ancestry of “Peste Valea Bistrii”, step by step

Peste Valea Bistrii traces back through 3 separate lines of ancestry.

via Romanian pește

Step	Language	Word	Meaning
1	Romanian	pește	fish; pimp
2	Latin	per	through, by means of; throughout, during
3	Latin	Ad	toward, to
4	Latin	illic	he, she, it, yonder, that, overthere; in that...
5	Latin	ille	that; those; "; demonstrative pronoun "; that...
6	Latin	olle	Archaic form of ille
7	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

via Romanian Bistra

Step	Language	Word	Meaning
1	Romanian	Bistra	—

Every word from Proto-Italic *olnos →Every word from Latin olle →Every word from Latin ille →