This is the 9802nd most frequent Swedish word.
gruva
Mine.
Here, the word 'gruva' is used in its literal sense, referring to a mine where minerals are extracted.
Jag besökte en gruva i Kiruna förra sommaren.
I visited a mine in Kiruna last summer.
In this sentence, 'gruva' is used metaphorically to describe something deep and unexplored, akin to a person's inner emotions.
Han är rädd för att tala om sina känslor, det är som en gruva inom honom.
He is afraid to talk about his feelings; it's like a mine inside him.
This usage of 'gruva' refers to the occupational context, emphasizing the physical and psychological demands of working in such an environment.