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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

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
Every word from Proto-Indo-European -us →