Where does “planteyn” come from?

planteyn (Middle English) comes from Anglo-Norman plainteine, from Old French plaintain, 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 “planteyn”, step by step

StepLanguageWordMeaning
1Anglo-Normanplainteine—
2Old Frenchplaintain—
3Latinplantāgōthe plantain, especially the greater plantain
4Latinplantaany vegetable production that serves to propagate...
5Proto-Italicplāntā—
6Proto-Indo-Europeanpléh₂-n̥t-eh₂—
7Proto-Indo-Europeanpleh₂-flat
Every word from Proto-Indo-European pleh₂- →Every word from Proto-Indo-European pléh₂-n̥t-eh₂ →Every word from Proto-Italic plāntā →