Where does “cusping” come from?

cusping (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;...

cusping (English): A formation of cusps; present participle of cusp

Definitions

  1. A formation of cusps; present participle of cusp

Ancestry of “cusping”, step by step

cusping 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 cusp

StepLanguageWordMeaning
1EnglishcuspA sharp point or pointed end; An important moment...
2Latincuspispoint, tip; spit; sting
3Proto-Indo-Europeanspey-sharp point, stick
Every word from Proto-Indo-European -os