(verb suffix, dialect) Alternative form of るから

to become; to change into

abstract

白熊: a polar bear

山中: being in the mountains or woods

(obsolete) Rocky Mountains (a mountain range in the United States)

a mountain (large mass of earth and rock) or (large) hill / a mine (excavation usually consisting of small tunnels) / a heap, pile / the top or high part of an object / a chance, gamble / a climax, peak

白熊: a polar bear

this small amount

置く: to put / (following a て-form verb) to do in advance; to do for some future purpose