Where does “astatine” come from?

astatine (English) comes from Ancient Greek ἄστατος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.

astatine (English): A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85

Definitions

  1. A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85

Ancestry of “astatine”, step by step

StepLanguageWordMeaning
1Ancient Greekἄστατοςunstable; unsteady, volatile
2Ancient Greekἀ-The alpha privativum, used to make words that...
3Proto-Hellenichə-same; together
4Proto-Indo-Europeansm̥-one; with, together
5Proto-Indo-Europeansem-together, one

Words derived from “astatine”

Every word from Proto-Indo-European sem- →Every word from Ancient Greek ἀ- →Every word from Proto-Indo-European sm̥- →