English
rubious
From ruby + -ous.
Formed from ruby + -ous
Proto-Indo-European *h₁rewdʰ- ‘red’
…
Latin rubeus ‘red’
Medieval Latin rubīnus ‘carbuncle, ruby’
Old French rubi
Middle English ruby ‘a ruby’
English ruby
Today it means
adj Ruby-colored.
Language periods are conventional ranges, not dates for this word.
Etymograph / rubious