noun / verb
smoke
SMOHK/sməʊk/
Airborne particles and gases released by combustion.
Gray smoke rises from the contained wood fire outside.

Etymology
Old English smoca named the visible fumes released by burning or smoldering material. The modern noun preserves that concrete meaning.
In context
if it is black because mold comes in all sorts of colors so fire is a hazard obviously but um and not just the fire itself fire produces smoke and smoke produces soot
More examples
- The damp logs smoke even after the flames die down.
- Thick smoke fills the hallway, blocking our view.
- A thin trail of smoke curls from the candle's wick.
Forms
smoke · smokes · smoked · smoking
smoky adjective — Filled with or giving off smoke.
smokeless adjective — Producing little or no smoke.