Where does “plan” come from?

plan (Norwegian Nynorsk) comes from German plan, from French plan, from French plain, from Old French plain, from Latin plēnus, from Proto-Italic plēnos, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

plan (Norwegian Nynorsk): plane; level; a plan

Definitions

  1. plane; level; a plan

Ancestry of “plan”, step by step

StepLanguageWordMeaning
1Germanplanplanar, flat; plain, forthright
2Frenchplanplan; map; plane
3Frenchplainplane
4Old Frenchplainfull; plain; flat
5Latinplēnusfull; filled; complete
6Proto-Italicplēnosfull
7Proto-Indo-Europeanpl̥h₁nósfull
8Proto-Indo-Europeanpleh₁-to fill

Words derived from “plan”

Every word from Proto-Indo-European pleh₁- →Every word from Proto-Indo-European pl̥h₁nós →Every word from Proto-Italic plēnos →