Where does “plaintain” come from?

plaintain (Old French) comes from Latin plantāgō, from Latin planta, from Proto-Italic plāntā, from Proto-Indo-European pléh₂-n̥t-eh₂, from Proto-Indo-European pleh₂- — flat.

Ancestry of “plaintain”, step by step

StepLanguageWordMeaning
1Latinplantāgōthe plantain, especially the greater plantain
2Latinplantaany vegetable production that serves to propagate...
3Proto-Italicplāntā—
4Proto-Indo-Europeanpléh₂-n̥t-eh₂—
5Proto-Indo-Europeanpleh₂-flat

Words derived from “plaintain”

Every word from Proto-Indo-European pleh₂- →Every word from Proto-Indo-European pléh₂-n̥t-eh₂ →Every word from Proto-Italic plāntā →