Where does “Gorniak” come from?

Gorniak (English) comes from Polish górniak, from Polish -ak, from Old Polish -ak, from Proto-Slavic -akъ — Deadjectival, forming nouns denoting a carrier of...

Ancestry of “Gorniak”, step by step

Step	Language	Word	Meaning
1	Polish	górniak	a rodent belonging to the genus Aepeomys
2	Polish	-ak	used to form demonyms; used to form various...
3	Old Polish	-ak	used to form nouns
4	Proto-Slavic	-akъ	Deadjectival, forming nouns denoting a carrier of...

Every word from Proto-Slavic -akъ →Every word from Polish -ak →Every word from Old Polish -ak →