This is the 8515th most frequent Russian word.
новодолинский
"Новодолинский" refers to something related to Novodolinskiy, which is a locality or settlement in Ukraine.
Here, 'Новодолинский' is used as a proper noun, a name of a place.
Новодолинский – это название небольшого городка.
Novodolinsky is the name of a small town.
In this context, 'Новодолинский' is used in an adjectival form, describing the region associated with the place called Novodolinsky.
Я прочитал книгу о Новодолинском крае.
I read a book about the Novodolinsky region.
Here, 'Новодолинский' is used in the genitive case to indicate origin or association with the place.