Etymology of the English word rubious
the English word
rubioususing the English suffix
-ousderived from the Latin suffix
-osusderived from the English word
rubyderived from the Old French word
rubiderived from the Medieval Latin word
rubinus (ruby)
derived from the Latin word
rubeus (bramble-, of or produced from bramble; red; 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 rubious in English dates from the 17th century.
