Where does “Shakhtarske” come from?

Shakhtarske (English) comes from Ukrainian Шахта́рське, from Ukrainian шахтар, from Bulgarian -а́р, from Proto-Slavic -ařь, from Gothic -𐌰𐍂𐌴𐌹𐍃, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

Ancestry of “Shakhtarske”, step by step

StepLanguageWordMeaning
1UkrainianШахта́рське
2Ukrainianшахтарminer
3Bulgarian-а́рer, -or
4Proto-Slavic-ařь-er
5Gothic-𐌰𐍂𐌴𐌹𐍃-er
6Proto-Germanic-ārijaz-er
7Latin-āriuser
8Proto-Italic*-āziosForms relational adjectives to nouns (and rarely numerals)
Every word from Proto-Italic *-āziosEvery word from Latin -āriusEvery word from Proto-Germanic -ārijaz