From Proto-Italic *ruðēō, from Proto-Indo-European *h₁rudʰéh₁ti (“to be red”), from the root *h₁rewdʰ- (“red”).
rubeō (present infinitive rubēre, perfect active rubuī); second conjugation, limited passive
- I am red or ruddy.
- I grow red, redden; color up, blush.
- This verb has only limited passive conjugation; only third-person passive forms are attested in surviving sources. The third principal part is shared with rubēscō.
- rubeo in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- rubeo in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- rubeo in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette