Where does “planal” come from?

planal (English) comes from English plane, from Middle English plane, from Old French plane, from Latin platanus, from Greek πλάτανος, from Ancient Greek πλάτανος, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us — flat.

planal (English): Of or relating to a geometric plane

Definitions

  1. Of or relating to a geometric plane

Ancestry of “planal”, step by step

planal traces back through two separate lines of ancestry.

via English plane

StepLanguageWordMeaning
1EnglishplaneOf a surface: flat or level; A level or flat...
2Middle Englishplane
3Old Frenchplane
4Latinplatanusplanetree, sycamore
5Greekπλάτανοςplane tree
6Ancient Greekπλάτανοςplanetree
7Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
8Proto-Indo-Europeanpléth₂usflat, broad
9Proto-Indo-Europeanpleth₂-flat

via English AL

StepLanguageWordMeaning
1EnglishALInitialism of assembly language; Initialism of...
2Dutchalall, all of; already; yet
3Middle Dutchalall, all of; completely; even though, no matter...
4Old Dutchāl
5Proto-West Germanicallall
6Proto-Germanicallazall
7Proto-Indo-Europeanh₂él-to grow, nourish

Words derived from “planal

Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pléth₂usEvery word from Ancient Greek πλατύς