Where does “heteropolymerisation” come from?

heteropolymerisation (English) comes from English hetero, from English heterosexual, from English -sexual, from English sexual, from Latin sexuālis, from Latin sexus, from Proto-Italic seksus, from Proto-Indo-European séksus — to cut, cut off, sever.

Ancestry of “heteropolymerisation”, step by step

heteropolymerisation traces back through two separate lines of ancestry.

via English hetero

StepLanguageWordMeaning
1EnglishheteroHeterosexual: of, pertaining to, or being a...
2EnglishheterosexualSexually attracted to members of the opposite...
3English-sexualForms a noun or adjective describing a state or...
4EnglishsexualArising from the fact of being male or female;...
5Latinsexuālissexual
6Latinsexusdivision; sex; gender
7Proto-Italicseksus
8Proto-Indo-Europeanséksus
9Proto-Indo-Europeansek-to cut, cut off, sever

via English polymerisation

StepLanguageWordMeaning
1EnglishpolymerisationAlternative spelling of polymerization
2Englishpolymerisealternative form of polymerize
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
Every word from Proto-Indo-European sek-