Where does “duonplena” come from?

duonplena (Esperanto) comes from Esperanto plena, from Latin plēnus, from Proto-Italic plēnos, from Proto-Indo-European pl̥h₁nós, from Proto-Indo-European pleh₁- — to fill.

duonplena (Esperanto): half full

Definitions

  1. half full

Ancestry of “duonplena”, step by step

duonplena traces back through two separate lines of ancestry.

via Esperanto plena

StepLanguageWordMeaning
1Esperantoplenafull, complete
2Latinplēnusfull; filled; complete
3Proto-Italicplēnosfull
4Proto-Indo-Europeanpl̥h₁nósfull
5Proto-Indo-Europeanpleh₁-to fill

via Esperanto duono

StepLanguageWordMeaning
1Esperantoduonohalf
2Esperantodutwo
3Frenchdeuxtwo; twos
4Middle Frenchdeuxtwo
5Old Frenchdeux
Every word from Proto-Indo-European pleh₁-Every word from Proto-Indo-European pl̥h₁nósEvery word from Proto-Italic plēnos