Where does “Silivășan” come from?

Silivășan (Romanian) comes from Romanian Silivaș, from Hungarian Szilvás, from Hungarian szilva, from Proto-Slavic sliva, from Proto-Balto-Slavic *slīˀwā́ˀ, from Proto-Indo-European (s)leh₃y- — blueish.

Ancestry of “Silivășan”, step by step

Step	Language	Word	Meaning
1	Romanian	Silivaș	—
2	Hungarian	Szilvás	—
3	Hungarian	szilva	plum
4	Proto-Slavic	sliva	plum; plum tree
5	Proto-Balto-Slavic	*slīˀwā́ˀ	—
6	Proto-Indo-European	(s)leh₃y-	blueish

Every word from Proto-Indo-European (s)leh₃y- →Every word from Proto-Balto-Slavic *slīˀwā́ˀ →Every word from Proto-Slavic sliva →