Where does “bivariably” come from?

bivariably (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...

bivariably (English): In a bivariable manner

Definitions

  1. In a bivariable manner

Ancestry of “bivariably”, step by step

bivariably 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 variably

StepLanguageWordMeaning
1EnglishvariablyIn a variable manner
2EnglishvariableAble to vary or be varied; Likely to vary; Marked...
3Old Frenchvariable
4Latinvariāre
5Latinvariusdiverse, different, various, variegated
6Latinvārus
7Proto-Indo-Europeanh₂wer-to lift up; to moisten; to flow; to raise, hang
8Proto-Indo-Europeanwēr-true
9Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European -tḗr