Where does “trimer” come from?

I need to work through this etymology chain carefully, but I notice there are significant problems with the data provided. The chain shows: - English -mer | Ancient Greek μέρος | Latin tres | English three | Proto-Indo-European tréyes | Proto-Indo-European tréyes | Proto-West Germanic þrīʀ | Proto-Germanic þrīz This chain is contradictory and doesn't form a coherent path. It jumps between different language families (Greek/Latin/Germanic) without proper intermediate steps, includes "English three" in what should be a chain going backward in time, and repeats Proto-Indo-European. For "trimer," the actual etymology would involve: - English trimer (combining "tri-" meaning three + "-mer" from Greek μέρος "part") However, following your instruction to "state only what the chain supports" and given the inco

trimer (English): A polymer composed of three monomers

Definitions

  1. A polymer composed of three monomers

Ancestry of “trimer”, step by step

trimer traces back through two separate lines of ancestry.

via English mer

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

via English tri

StepLanguageWordMeaning
1Englishtritriathlon; triangle
2Proto-Indo-Europeantréyesthree

Words derived from “trimer

Every word from Proto-Hellenic *péryō