This is the 4690th most frequent Russian word.
дым
Smoke.
In this context, 'дым' refers to the visible smoky substance generated by burning materials.
Дым поднимался из трубы частного дома.
Smoke rose from the chimney of a private house.
Here, 'дым' stands for the odor or sensation associated with smoke in the atmosphere.
В воздухе висел слабый запах дыма.
There was a faint smell of smoke in the air.
'Дым' in this case refers to a column of rising smoke as seen from a distance.