From ἐξ οὐκ ὄντων, ‘out of nothing,’ one of the original Arian positions concerning the Son. Theodoret says that they were also called Hexakionitæ, from the nature of their place of meeting, Hær. iv. 3. and Du Cange confirms it so far as to show that there was a place or quarter of Constantinople Hexakionium. [Cf. Soph. Lex. s.v.]