Where does “plantigradism” come from?

plantigradism (English) comes from English ism, from English -ism, from Latin -ismus, from Ancient Greek -ισμός, from Ancient Greek -μός, from Proto-Indo-European -mós — Creates action/result nouns from verb stems.

plantigradism (English): Plantigrade locomotion

Definitions

  1. Plantigrade locomotion

Ancestry of “plantigradism”, step by step

plantigradism traces back through two separate lines of ancestry.

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

via English plantigrade

StepLanguageWordMeaning
1EnglishplantigradeOf an animal: walking with the entire sole of the...
2Frenchplantigradeplantigrade
3Latinplantaany vegetable production that serves to propagate...
4Proto-Italicplāntā
5Proto-Indo-Europeanpléh₂-n̥t-eh₂
6Proto-Indo-Europeanpleh₂-flat
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism