Where does “toothing” come from?

toothing (English) comes from English ing, from Middle English ing, from Old English ing, from Old Norse eng, from Proto-Germanic angijō, from Proto-Indo-European h₂énkos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

toothing (English): The act or process of indenting or furnishing...

Definitions

  1. The act or process of indenting or furnishing...

Ancestry of “toothing”, step by step

toothing traces back through two separate lines of ancestry.

via English ing

StepLanguageWordMeaning
1EnglishingA meadow, especially a low meadow near a river;...
2Middle Englishing
3Old Englishingmeadow, water meadow, ing
4Old Norseengmeadow
5Proto-GermanicangijōA low lying meadow in a valley or near a river
6Proto-Indo-Europeanh₂énkoscurve, bend
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English tooth

StepLanguageWordMeaning
1EnglishtoothA hard, calcareous structure present in the mouth...
2Middle EnglishtothAlternative form of tothe
3Old Englishtōþtooth
4Proto-Germanictanþstooth
5Proto-Indo-Europeanh₃dóntstooth
6Proto-Indo-Europeanh₁ed-to eat
Every word from Proto-Indo-European -os