rumbling of a mountain; mountain rumbling
Refers to a deep, resonant sound produced by a mountain, often associated with volcanic activity, landslides, or strong winds. Can also be used poetically.
I heard a mountain rumbling in the distance.
山鳴りがして、噴火の前兆かと心配になった。
There was a mountain rumbling, and I worried it might be a sign of an eruption.
Compound of 山 (yama, 'mountain') and 鳴り (nari, 'rumbling, ringing'), the nominalized form of 鳴る (naru, 'to sound, to rumble').