Where does “niwlvlok” come from?

niwlvlok (Cornish) comes from Welsh niwl, from Middle Welsh nywl.

niwlvlok (Cornish): smog

Definitions

  1. smog

Ancestry of “niwlvlok”, step by step

niwlvlok traces back through two separate lines of ancestry.

via Welsh niwl

StepLanguageWordMeaning
1Welshniwlmist, fog, haze
2Middle Welshnywl—

via Cornish blok

StepLanguageWordMeaning
1Cornishblok—
Every word from Middle Welsh nywl →Every word from Welsh niwl →
niwlvlok — Etymology, Origin & Word History | Etymology Explorer