Where does “hypercusp” come from?

hypercusp (English) comes from English cusp, from Latin cuspis, from Proto-Indo-European spey- — sharp point, stick.

hypercusp (English): A singularity of a curve of some multiplicity "r"...

Definitions

  1. A singularity of a curve of some multiplicity "r"...

Ancestry of “hypercusp”, step by step

hypercusp traces back through two separate lines of ancestry.

via English cusp

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

via English hyper

StepLanguageWordMeaning
1Englishhyperhyperactive; energetic; overly diligent;...
Every word from Proto-Indo-European spey-