Where does “smog” come from?

smog (English) comes from English smoke, from Middle English smoke, from Old English smoca, from Proto-Germanic smukô, from Danish smug- — secretly.

smog (English): A noxious mixture of particulates and gases that...

Definitions

  1. A noxious mixture of particulates and gases that...

Ancestry of “smog”, step by step

smog traces back through two separate lines of ancestry.

via English smoke

StepLanguageWordMeaning
1EnglishsmokeThe visible vapor/vapour, gases, and fine...
2Middle Englishsmokesmoke
3Old Englishsmocasmoke
4Proto-Germanicsmukôsmoke, nebulous air
5Danishsmug-secretly

via English fog

StepLanguageWordMeaning
1EnglishfogA thick cloud that forms near the ground; the...
2Proto-Germanicfeukanąto whisk; blow
3Proto-Indo-Europeanpug-billow, bulge, drift
4Proto-Indo-Europeanpew-to blow, breathe; to fear; to blow, to breathe

Words derived from “smog

Every word from Danish smug-
smog — Etymology, Origin & Word History | Etymology Explorer