Where does “bispiral” come from?

bispiral (English) comes from English bi, from English biceps, from Latin biceps, from Latin bis, from Latin color, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron — Derives agent nouns from verbs, denoting someone...

bispiral (English): Doubly spiral; involving, or consisting of, two spirals

Definitions

  1. Doubly spiral; involving, or consisting of, two spirals

Ancestry of “bispiral”, step by step

bispiral traces back through two separate lines of ancestry.

via English bi

StepLanguageWordMeaning
1EnglishbiBisexual; A bisexual person; A type of jade disk...
2EnglishbicepsAny muscle having two heads; Specifically, the...
3Latinbicepsdouble-headed, having two heads; having two...
4Latinbistwice, two times, on two occasions, in two ways
5Latincolorcolour, shade; color; pigment; complexion
6Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
7Ancient Greek-τρονForms instrument nouns
8Proto-Hellenic-tronForms instrument nouns from verb stems
9Proto-Indo-European-tromForms nouns denoting a tool or instrument
10Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English spiral

StepLanguageWordMeaning
1EnglishspiralA curve that is the locus of a point that rotates...
2Middle Frenchspirale
3Medieval Latinspiralisspiraling
4LatinspiraA thing that is coiled, twisted, or wound; A...
5Frenchtrompetrumpet; trunk of an elephant; squinch
6Middle Frenchtrompe
7Old Frenchtrompetrump, trumpet; horn, trump, trumpet
8Frankishtrumpatrump, trumpet; trumpet
Every word from Proto-Indo-European -tḗr