Where does “bisaïeul” come from?

bisaïeul (French) comes from Old French beseel, from Latin bis, from Latin color, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

bisaïeul (French): great-grandparent; great-grandfather

Definitions

  1. great-grandparent; great-grandfather

Ancestry of “bisaïeul”, step by step

bisaïeul traces back through two separate lines of ancestry.

via Old French beseel

StepLanguageWordMeaning
1Old Frenchbeseel
2Latinbistwice, two times, on two occasions, in two ways
3Latincolorcolour, shade; color; pigment; complexion
4Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
5Ancient Greek-τρονForms instrument nouns
6Proto-Hellenic-tronForms instrument nouns from verb stems
7Proto-Indo-European-tromForms nouns denoting a tool or instrument
8Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via French aïeul

StepLanguageWordMeaning
1Frenchaïeulancestor; grandfather; old man
2Old Frenchaiol
3Vulgar Latinaviolusgrandfather
4Latinavusgrandfather; an ancestor, a progenitor, a...
5Proto-Celticabūriver
6Proto-Indo-Europeanh₂ep-water, body of water

Words derived from “bisaïeul

Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον