Where does “Recaș” come from?

Recaș (Romanian) comes from Hungarian Rékás, from Old Church Slavonic рѣка, from Proto-Slavic rěka, from Proto-Indo-European h₃reyH-, from Proto-Indo-European h₃er- — to move, to stir; to rise, to spring; to quarrel,...

Ancestry of “Recaș”, step by step

Step	Language	Word	Meaning
1	Hungarian	Rékás	—
2	Old Church Slavonic	рѣка	river
3	Proto-Slavic	rěka	river
4	Proto-Indo-European	h₃reyH-	to move, set in motion
5	Proto-Indo-European	h₃er-	to move, to stir; to rise, to spring; to quarrel,...

Every word from Proto-Indo-European h₃er- →Every word from Proto-Indo-European h₃reyH- →Every word from Proto-Slavic rěka →