горня́шка

nounfeminineanimatecountable

1.
mountain sickness, altitude sicknessmedicine
После двух часов подъёма у него начала́сь горня́шка.
After two hours of climbing he started getting altitude sickness.
Colloquial; climbers' and mountaineers' slang for горная болезнь.
2.
(rare) female miner, pitwomanmining
Моя ба́бушка была́ горня́шкой на Донба́ссе.
My grandmother was a miner in the Donbas.
Colloquial and affectionate diminutive of горнячка.

Examples

Горняшка мешала нам подниматься дальше.
Altitude sickness prevented us from climbing any higher.
Она работала горняшкой на старой шахте.
She worked as a female miner at an old mine.
На высоте у меня началась горняшка.
At high altitude, I came down with altitude sickness.