Origin of homoousianEcclesiastical Late Latin homoousianus from Ecclesiastical Late Greek homoousios, consubstantial from homos, same + ousia, essence: see homoiousian
Origin of HomoousianLate Latin homoūsiānus from homoūsius of same substance from Greek homoousios homo- homo- ousiā substance ; see Homoiousian .
(comparative more homoousian, superlative most homoousian)
- (historical) One of those, in the 4th century, who accepted the Nicene Creed and maintained that the Son had the same essence or substance with the Father.
From Ancient Greek ὁμοούσιος (homoousios), from ὁμο (homo, “same”) + ουσία (ousia, “essence”).