noun
cold smoke
Literary or poetic term for smoke that feels cold, often associated with winter or chilly scenes.
冬の朝、山あいから寒煙が立ちのぼる。
On a winter morning, cold smoke rises from the mountain valley.
Compound of 寒 (kan, 'cold') and 煙 (en, 'smoke'). The exact historical derivation is uncertain; it is a literary Sino-Japanese word.