Smoking
来自Big Physics
Old English smoca (noun), smocian (verb), from the Germanic base of smēocan ‘emit smoke’; related to Dutch smook and German Schmauch .
wiktionary
From Middle English smokynge, smokiende, from Old English smociende(“smoking”), from Proto-Germanic *smukōndz(“emitting smoke, smoking”), equivalent to smoke + -ing.
From Middle English smokyng, smokynge, equivalent to smoke + -ing.
