noun
smoke from cooking; kitchen smoke
Formal or literary term for smoke rising from a cooking fire or stove; often evokes a rustic or nostalgic scene.
山里から炊煙が立ちのぼる風景は、どこか懐かしい。
The sight of cooking smoke rising from a mountain village is somehow nostalgic.
煙 is the general word for 'smoke'; 炊煙 specifically refers to smoke from cooking, and is a formal/literary term.
Compound of 炊 (cook) and 煙 (smoke). The exact historical derivation is uncertain, but the word is used in classical and literary contexts.