Etymology of the English word rubidium
the English word
rubidiumderived from the Latin word
rubidiumderived from the Latin word
rubidusderived from the Latin word
rubere (be red, become red)
derived from the Latin word
ruber (red, ruddy, painted red)
derived from the Proto-Indo-European root
*reudh-Date
The earliest known usage of rubidium in English dates from the 19th century.
Usage
Word found in Modern English
