οχτάφωνος

From LSJ

τὸ ἓν καὶ τὸ ὂν πολλαχῶς λέγεται → the term being and the term one are used in many ways, one and being have various meanings, one and being have many senses

Source

Greek Monolingual

οκτάφωνος και οχτάφωνος, -η, -ο
(για μουσική κλίμακα) αυτός που έχει οκτώ φωνές.
[ΕΤΥΜΟΛ. < ὀκτα- (βλ. λ. οχτώ) + -φωνος (< φωνή)].