Where does “actinidic” come from?

actinidic (English) comes from English actinide, from English Ide, from French ide, from Latin Idus, from Swedish id, from Old Swedish idhe, from Old Norse *iði, from Old Norse iðja — work; a restless motion.

actinidic (English): Of or pertaining to the actinides; Of or...

Definitions

  1. Of or pertaining to the actinides; Of or...

Ancestry of “actinidic”, step by step

actinidic traces back through two separate lines of ancestry.

via English actinide

StepLanguageWordMeaning
1EnglishactinideAny of the 14 radioactive elements of the...
2EnglishIdenamed after Saint Ida OS grid ref SX8990
3Frenchideide fish
4LatinIdusAlternative form of īdūs: the ides of a Roman...
5Swedishideffort, work, occupation; the tree "Taxus...
6Old Swedishidhe
7Old Norse*iði
8Old Norseiðjato be active, do, perform
9Old Norsework; a restless motion

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Old Norse Every word from Old Norse iðjaEvery word from Old Norse *iði
actinidic — Etymology, Origin & Word History | Etymology Explorer