Where does “plane” come from?

plane (Latin) comes from Latin planus, from Proto-Italic plānos, from Proto-Indo-European pleh₂-no-s, from Proto-Indo-European pleh₂- — flat.

plane (Latin): plainly to the senses or understanding, distinctly, intelligibly

Definitions

  1. plainly to the senses or understanding, distinctly, intelligibly

Ancestry of “plane”, step by step

StepLanguageWordMeaning
1Latinplanuslevel, flat, even; intelligible, clear; a tramp,...
2Proto-Italicplānos—
3Proto-Indo-Europeanpleh₂-no-sflattened
4Proto-Indo-Europeanpleh₂-flat

Words derived from “plane”

Every word from Proto-Indo-European pleh₂- →Every word from Proto-Indo-European pleh₂-no-s →Every word from Proto-Italic plānos →