Lexical Definition

‎φθόγγος‎ phthóngos (ftong'-gos) sound ^G:N-M
from ‎φθέγγομαι‎

sound.

• utterance, i.e. a musical note (vocal or instrumental)

Abbott-Smith

φθόγγος, -ου, ὁ (< φθέγγομαι), [in LXX: Ps 18 (19):4* (קַו), Wi 19:18 * ;]
a sound: Ro 10:18 (LXX) I Co 14:7.†

Abbott-Smith References

Liddell-Scott-Jones

φθόγγος-ος, ὁ

(both poetical and Prose), any clear, distinct sound, especially voice of men, [Refs 8th c.BC+]; of the Sirens, [φθόγγοςῳ ἐπερχόμεναι 18.199; φ. ἀραῖον οἴκοις 4th-5th c.BC: Aeschylus Tragicus “Agamemnon” 237 (Lyric poetry); γόων οὐκ ἀσήμονες φ. 5th c.BC: Sophocles Tragicus “Oedipus Coloneus” 1669 ">Refs 8th c.BC+]; φ. οἰκείου κακοῦ voice, telling of.., [Refs]; of birds, ἀλεκτρυόνων φ. [φθόγγοςος οὔτ᾽ ὀρνίθων οὔτε θαλάσσης 5th c.BC: Euripides Tragicus “Iphigenia Aulidensis” 9 (\_anapaest meter\_); κυνῶν καὶ προβάτων καὶ ὀρνέων 5th-6th c.BC: Plato Philosophus “Respublica” 397a. ">Refs 6th c.BC+]

__2 speech, Ἑλλάδος φθόγγοςον χέουσαν [Refs 4th c.BC+]; φ. ἔμμετρος, opposed to πεζά, poetical speech, [Refs 1st c.BC+]; utterance, saying, [Refs]
__II generally, sound, ἀνέμων [Refs 5th c.BC+]; φωνῆς μὲν οὔ, φθόγγοςου δὲ μετέχοντά τινος, of semi-vowels, [φθόγγοςου καὶ ἠχῆς 5th-6th c.BC: Plato Philosophus “Timaeus” 37b, compare 4th-3rd c.BC: Epicurus Philosophus “Epistulae” 1p.32U.; εἰς τοὺς φ. καὶ τὰς συλλαβάς 5th-6th c.BC: Plato Philosophus “Cratylus” 389d, compare 1st-2nd c.AD: Plutarchus Biographus et Philosophus “Alexander” 27, 2nd c.AD: Galenus Medicus 15.6. ">Refs 5th c.BC+]
__II.2 of musical sounds, λωτὸς φθόγγοςον κελάδει [φθόγγοςους ἀλύρους θρηνοῦμεν 2nd c.AD: Alexander Rhetor 162.6 (\_anapaest meter\_). ">Refs 5th c.BC+]
__II.2.b plural, notes on a musical instrument; strings of lyre, [Refs 1st c.AD+]; stops of flute, [Refs 1st c.AD+]