Where does “smoldering” come from?

Smoldering comes from Middle English smolderen, from Middle English smolder, of uncertain origin.

smoldering (English): present participle of smolder; Alternative form...

Definitions

  1. present participle of smolder; Alternative form...

Ancestry of “smoldering”, step by step

smoldering traces back through two separate lines of ancestry.

via English smouldering

StepLanguageWordMeaning
1Englishsmoulderingpresent participle of smoulder; The act by which...
2English-ingUsed to form gerunds, a type of verbal nouns,...
3Old English-ingForming nouns from verbs, indicating action,...
4Old English-tūnhomestead, village, town
5Old Englishtūnenclosure, yard; place; dwelling
6Proto-West Germanictūnfence
7Proto-Germanictūnąfence; enclosure
8Gaulishdunumfort; hill, hillfort
9Proto-Celticdūnomstronghold, rampart
10Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English smolder

StepLanguageWordMeaning
1EnglishsmolderTo burn with no flame and little smoke; To show...
2Middle Englishsmolderento suffocate, stifle
3Middle Englishsmoldersmoke, smoky vapour
4Proto-West Germanicsmolōn

Words derived from “smoldering

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from English -ing