Origin of homoousianEcclesiastical Late Latin homoousianus ; from Ecclesiastical Late Greek homoousios, consubstantial ; from homos, same + ousia, essence: see homoiousian
Origin of HomoousianLate Latin homo&umacron;sianus, from homo&umacron;sius, of same substance, from Greek homoousios : homo-, homo- + ousia, 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”).