Where does “plan” come from?

plan (French) comes 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 (French): plan; map; plane

Definitions

  1. plan; map; plane

Ancestry of “plan”, step by step

plan traces back through 3 separate lines of ancestry.

via French plain

StepLanguageWordMeaning
1Frenchplainplane
2Old Frenchplainfull; plain; flat
3Latinplēnusfull; filled; complete
4Proto-Italicplēnosfull
5Proto-Indo-Europeanpl̥h₁nósfull
6Proto-Indo-Europeanpleh₁-to fill

via Latin planta

StepLanguageWordMeaning
1Latinplantaany vegetable production that serves to propagate...
2Proto-Italicplāntā
3Proto-Indo-Europeanpléh₂-n̥t-eh₂

via Middle French plant

StepLanguageWordMeaning
1Middle Frenchplant

Words derived from “plan

Every word from Proto-Indo-European pleh₁-