Where does “Vișinescu” come from?

Vișinescu (Romanian) comes from Romanian vișin, from Serbo-Croatian visina, from Bulgarian вишна, from Proto-Slavic višьňa, from Proto-Balto-Slavic *wéiśinjāˀ, from Proto-Indo-European weyḱs- — mistletoe.

Ancestry of “Vișinescu”, step by step

Step	Language	Word	Meaning
1	Romanian	vișin	sour cherry tree
2	Serbo-Croatian	visina	height; altitude
3	Bulgarian	вишна	sour cherry
4	Proto-Slavic	višьňa	sour cherry; cherry
5	Proto-Balto-Slavic	*wéiśinjāˀ	—
6	Proto-Indo-European	weyḱs-	mistletoe

Every word from Proto-Indo-European weyḱs- →Every word from Proto-Balto-Slavic *wéiśinjāˀ →Every word from Proto-Slavic višьňa →