Where does “opisthobranchism” come from?

opisthobranchism (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.

opisthobranchism (English): The property of being an opisthobranch

Definitions

  1. The property of being an opisthobranch

Ancestry of “opisthobranchism”, step by step

opisthobranchism 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 opisthobranch

StepLanguageWordMeaning
1EnglishopisthobranchA gastropod with gills behind the heart, formerly...
2Englishopistho-back, behind, rear
3Ancient Greekὄπισθενbehind, at the back; backwards; in the future,...
4Ancient Greek-θενfrom; also used, like genitive, with prepositions
5Proto-Indo-European*-dʰelocative suffix
Every word from Proto-Indo-European -mósEvery word from English -ismEvery word from English ism