Where does “volský” come from?

volský (Czech) comes from Czech -ský, from Old Czech -ský, from Proto-Slavic -ьskъ, from Proto-Indo-European -iskos — Characteristic of, typical of, pertaining to.

volský (Czech): ox

Definitions

Ancestry of “volský”, step by step

Step	Language	Word	Meaning
1	Czech	-ský	-ian, -ic
2	Old Czech	-ský	ian, -ic from, related to, or like
3	Proto-Slavic	-ьskъ	-ic, -ish
4	Proto-Indo-European	-iskos	Characteristic of, typical of, pertaining to

Every word from Proto-Indo-European -iskos →Every word from Czech -ský →Every word from Proto-Slavic -ьskъ →