unsmokingadj.
Etymology: Previous versions of the OED give the stress as: unˈsmoking.
the world > physical sensation > cleanness and dirtiness > [adjective] > not dirtying > with specific kinds of dirt
1559 P. Morwyng tr. C. Gesner 298 Tiles made of red earth..must be..set on fire with unsmoking coles.
This entry has not yet been fully updated (first published 1926; most recently modified version published online June 2019).