Where does “Rím” come from?

Rím (Slovak) comes from Czech Řím, from Proto-Slavic Rimъ, from Latin Rōma.

Ancestry of “Rím”, step by step

Step	Language	Word	Meaning
1	Czech	Řím	—
2	Proto-Slavic	Rimъ	Rome
3	Latin	Rōma	—

Rím — Etymology, Origin & Word History | Etymology Explorer