Where does “radioactinium” come from?

radioactinium (English) comes from English actinium, from French actinium, from New Latin actinium, from Ancient Greek ἀκτίς — ray, beam; brightness, splendor; spoke.

radioactinium (English): The radioactive isotope of actinium, 22789Ac,...

Definitions

  1. The radioactive isotope of actinium, 22789Ac,...

Ancestry of “radioactinium”, step by step

StepLanguageWordMeaning
1Englishactiniuma radioactive, metallic chemical element with an...
2Frenchactiniumactinium
3New Latinactiniumactinium
4Ancient Greekἀκτίςray, beam; brightness, splendor; spoke
Every word from Ancient Greek ἀκτίς →Every word from New Latin actinium →Every word from French actinium →