This is the 7552nd most frequent Russian word.
донецкая
"Донецкая" translates to "Donetsk" or "Donetsk-related," often referring to something associated with the Donetsk region or city in Ukraine.
Adjective referring to the region of Donetsk, describing 'oblast' (region).
Донецкая область является частью Украины.
The Donetsk region is part of Ukraine.
Adjective describing 'mine,' a noun, as belonging to or located in Donetsk.
Мы посетили Донецкую шахту в прошлом году.
We visited the Donetsk mine last year.
Adjective describing a tradition specific to Donetsk, referring to a local cultural aspect.