Meaning

noun the act of smoking tobacco or other substances

noun a hot vapor containing fine particles of carbon being produced by combustion

verb inhale and exhale smoke from cigarettes, cigars, pipes

originFrom Middle English smokynge, smokiende, from Old English smociende (“smoking”), from Proto-Germanic *smukōndz (“emitting smoke, smoking”), equivalent to smoke + -ing.

Etymology from Wiktionary, CC BY-SA 3.0