Where does “biinvariant” come from?

biinvariant (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...

biinvariant (English): Both left-invariant and right-invariant

Definitions

  1. Both left-invariant and right-invariant

Ancestry of “biinvariant”, step by step

biinvariant 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 invariant

StepLanguageWordMeaning
1Englishinvariantnot varying; constant; Unaffected by a specified...
2EnglishvariantShowing variety, diverse; Showing deviation or...
3Old Frenchvariantvarying; which varies
4Latinvariānsdiversifying; variegating
5Latinvariōto diversify, variegate, change, transform, make different or various, alter, vary, interchange
6Latinvariusdiverse, different, various, variegated
7Latinvārus
8Proto-Indo-Europeanh₂wer-to lift up; to moisten; to flow; to raise, hang
9Proto-Indo-Europeanwēr-true
10Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον