Where does “planeness” come from?

planeness (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.

planeness (English): The condition of being plane; The quality of...

Definitions

  1. The condition of being plane; The quality of...

Ancestry of “planeness”, step by step

planeness 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 Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pléth₂usEvery word from Ancient Greek πλατύς
planeness — Etymology, Origin & Word History | Etymology Explorer