Where does “isotopism” come from?

isotopism (English) comes from English isotope, from English iso-, from Ancient Greek ῐ̓́σος, from Ancient Greek βάρος, from Ancient Greek βαρύς, from Proto-Hellenic gʷarus, from Proto-Indo-European gʷréh₂us, from Proto-Indo-European -us — Forms adjectives from Caland system roots.

isotopism (English): An instance of an isotopic state

Definitions

  1. An instance of an isotopic state

Ancestry of “isotopism”, step by step

isotopism traces back through two separate lines of ancestry.

via English isotope

StepLanguageWordMeaning
1EnglishisotopeAny of two or more forms of an element where the...
2Englishiso-equal; forms terms relating to isomers; forms...
3Ancient Greekῐ̓́σοςequal
4Ancient Greekβάροςweight, burden, load; grief, sorrow; plenty
5Ancient Greekβαρύςheavy, weighty; heavy, burdensome, oppressive;...
6Proto-Hellenicgʷarusheavy
7Proto-Indo-Europeangʷréh₂usheavy
8Proto-Indo-European-usForms adjectives from Caland system roots

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 -usEvery word from Proto-Indo-European gʷréh₂usEvery word from Proto-Hellenic gʷarus