Where does “smoglessness” come from?

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

smoglessness (English): Absence of smog

Definitions

  1. Absence of smog

Ancestry of “smoglessness”, step by step

smoglessness traces back through two separate lines of ancestry.

via English smogless

StepLanguageWordMeaning
1EnglishsmoglessFree from smog
2EnglishsmogA noxious mixture of particulates and gases that...
3EnglishsmokeThe visible vapor/vapour, gases, and fine...
4Middle Englishsmokesmoke
5Old Englishsmocasmoke
6Proto-Germanicsmukôsmoke, nebulous air
7Danishsmug-secretly

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Danish smug-