Where does “rubidium” come from?

rubidium (Danish) comes from Latin rubidus, from Latin -idus, from Proto-Italic *-iðos.

rubidium (Danish): rubidium

Definitions

  1. rubidium

Ancestry of “rubidium”, step by step

rubidium traces back through two separate lines of ancestry.

via Latin rubidus

StepLanguageWordMeaning
1Latinrubidusred
2Latin-idustending to
3Proto-Italic*-iðos

via Danish ium

StepLanguageWordMeaning
1Danishium
Every word from Proto-Italic *-iðos