Where does “duodecameric” come from?

duodecameric (English) comes from English duodecamer, from English mer, from English polymer, from English poly-, from Ancient Greek πολύς, from Ancient Greek πόρος, from Ancient Greek πείρω, from Proto-Hellenic *péryō.

Ancestry of “duodecameric”, step by step

duodecameric traces back through two separate lines of ancestry.

via English duodecamer

StepLanguageWordMeaning
1Englishduodecamer
2EnglishmerA repeat unit: a structural unit which through...
3EnglishpolymerA long or larger molecule consisting of a chain...
4Englishpoly-many; polymer
5Ancient Greekπολύςmany, a lot of; neuter πολύ or πολλά as...
6Ancient Greekπόροςa means of passage, passageway, way, opening;...
7Ancient GreekπείρωI pierce, run through; I cleave through
8Proto-Hellenic*péryō

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Hellenic *péryōEvery word from English poly-Every word from Ancient Greek πείρω