Where does “bifolium” come from?

bifolium (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...

bifolium (English): A quartic plane curve whose equation in Cartesian coordinates is (x^2 + y^2)^2 = ax^2y

Definitions

  1. A quartic plane curve whose equation in Cartesian coordinates is (x^2 + y^2)^2 = ax^2y

Ancestry of “bifolium”, step by step

bifolium 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 folium

StepLanguageWordMeaning
1EnglishfoliumA leaf, especially a thin leaf or plate; A curve...
2Latinfoliuma leaf; a petal; a sheet or leaf of paper
3Proto-Italic*foljom
4Proto-Indo-Europeanbʰolh₃yomleaf
5Proto-Indo-Europeanbʰleh₃-bloom, flower
6Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
7Proto-Indo-Europeanbʰōl-
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον