Where does “bigeminate” come from?

bigeminate (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...

Ancestry of “bigeminate”, step by step

bigeminate 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 geminate

StepLanguageWordMeaning
1EnglishgeminateForming a pair; Of a consonant, pronounced longer...
2Latingeminātusdoubled, having been doubled
3Latingeminodative masculine singular of geminus; dative...
4LatinGeminustwinborn, twin
5Latingeminustwin; double, paired; a twin
6Proto-Italicjemanos
7Proto-Indo-EuropeanyemH-twin
Every word from Proto-Indo-European -tḗr