Where does “antiatom” come from?

antiatom (English) comes from English atom, from Middle English attome, from Middle French athome, from Latin atomus, from Ancient Greek ἄτομος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥- — together, one.

antiatom (English): Any atom composed of antiparticles. An antimatter...

Definitions

  1. Any atom composed of antiparticles. An antimatter...

Ancestry of “antiatom”, step by step

antiatom traces back through two separate lines of ancestry.

via English atom

StepLanguageWordMeaning
1EnglishatomThe smallest possible amount of matter which...
2Middle Englishattomeatom
3Middle Frenchathomeatom
4Latinatomusindivisible; an atom, particle incapable of being...
5Ancient Greekἄτομοςuncut; indivisible, not capable of being...
6Ancient Greekἀ-The alpha privativum, used to make words that...
7Proto-Hellenichə-same; together
8Proto-Indo-Europeansm̥-one; with, together
9Proto-Indo-Europeansem-together, one

via Romanian atom

StepLanguageWordMeaning
1Romanianatomatom
2Frenchatomeatom; scrap, jot, iota, whit

Words derived from “antiatom

Every word from Proto-Indo-European sem-Every word from Ancient Greek ἀ-Every word from Ancient Greek ἄτομος