Where does “bipedism” come from?

bipedism (English) comes from English biped, from French bipède, from Latin bipes, from Latin pēs, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...

Ancestry of “bipedism”, step by step

bipedism traces back through two separate lines of ancestry.

via English biped

StepLanguageWordMeaning
1EnglishbipedAn animal, being or construction that goes about...
2Frenchbipèdebipedal; biped
3Latinbipestwo-footed, bipedal
4Latinpēsa foot, in its senses as
5Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
6Ancient Greek-τρονForms instrument nouns
7Proto-Hellenic-tronForms instrument nouns from verb stems
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European -tḗr