Where does “auxotrophism” come from?

auxotrophism (English) comes from English trophism, 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.

Ancestry of “auxotrophism”, step by step

auxotrophism traces back through two separate lines of ancestry.

via English trophism

StepLanguageWordMeaning
1EnglishtrophismAny specific form of nutrition involving the tissue of another organism
2EnglishismAn ideology, system of thought, or practice that...
3English-ismUsed to form nouns of action or process or result...
4Latin-ismus-ism
5Ancient Greek-ισμόςForms abstract nouns
6Ancient Greek-μόςForms abstract nouns
7Proto-Indo-European-mósCreates action/result nouns from verb stems

via English Auxo

StepLanguageWordMeaning
1EnglishAuxoOne of the Charites worshipped in Athens
2Ancient GreekΑὔξω
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism
auxotrophism — Etymology, Origin & Word History | Etymology Explorer