köken: Learned borrowing from Ancient Greek πολυμερής (polumerḗs) with semantic loan from French polymère. By surface analysis, πολυ- (poly-) + -μερής (-merís).
köken: Etymology tree Proto-Indo-European *mel-der. Proto-Indo-European *ml̥tós? Proto-Italic *moltos Latin multusder. Esperanto multa Esperanto angulo Esperanto multangulo Esperanto -a Esperanto multangula From multangulo + -a.
Donald Broadribb (translator), Doroteo kaj la sorĉisto en Oz (Dorothy and the Wizard in Oz) by L. Frank Baum, Chapter 12,