烟囱 (yān cōng)

Character breakdown

• 烟 (yān) · 10 strokes

  Phonosemantic compound. 火 represents the meaning and 因 represents the sound. Simplified form of 煙.

• 囱 (chuāng) · 7 strokes

  Derived from the top component of 悤. Depicts a line piercing an object. The meaning later shifted to "window" (now written 窗) and "chimney".