συμφων-ία, ἡ,
concord or unison of sound, τὴν ἐν τῇ ᾠδῇ ἁρμονίαν, ἢ δὴ σ. καλεῖται [[ 5th-6th c.BC: Plato Philosophus “Cratylus” 405d; ἡ γὰρ ἁρμονία σ. ἐστί, σ. δὲ ὁμολογία τις [prev. author] “Smp.” 187b, compare “R.” 430e; λόγος ἀριθμῶν ἐν ὀξεῖ ἢ βαρεῖ 4th c.BC: Aristoteles Philosophus “Anthologia Graeca” 0.90a18, compare “de An.” 426a29; κρᾶσίς ἐστι λόγον ἐχόντων ἐναντίων πρὸς ἄλληλα [prev. author] “Pr.” 921a2. ] Refs 5th c.BC+]
__2 of two sounds only, musical concord, accord, such as the fourth, fifth, and octave, [[ 5th-6th c.BC: Plato Philosophus “Respublica” 531a, 531c ] Refs 5th c.BC+]; ἡ διὰ πασῶν σ. [[ 4th c.BC: Aristoteles Philosophus “Problemata” 921a13, compare 5th c.BC: Hippocrates Medicus “περὶ διαίτης” 1.8 ] Refs 5th c.BC+]; distinguished from mere ὁμοφωνία, [[ 4th c.BC: Aristoteles Philosophus “Politica” 1263b35. ] Refs 4th c.BC+]
__3 harmonious union of many voices or sounds, concert, οἱ τῶν σ. λόγοι, the [[ 4th-5th c.BC: Pythagoras Philosophus ] Refs 4th c.BC+] doctrine of the music of the spheres, [[ [prev. author] “Cael.” 290b22, compare “IG” 14.793 (from Naples). ] Refs]
__II metaphorically, harmony, agreement, [[ 5th-6th c.BC: Plato Philosophus “Leges” 689d, 4th c.BC: Aristoteles Philosophus “Politica” 1334b10; σ. τις καὶ ἰσότης 4th-3rd c.BC: Theophrastus Philosophus “Fragmenta” 89.8; σ. τῷ λόγῳ 5th-6th c.BC: Plato Philosophus “Respublica” 401d; σ. [τῆς ψυχῆς] ἑαυτῇ [prev. author] “Ti.” 47d ] Refs 5th c.BC+]; μείξας πάντα κατὰ συμφωνίαν, of a cook, [[ 4th-3rd c.BC: Damoxenus Comicus 2.54 ] Refs 4th c.BC+]; unanimily, σ. τῶν ἱστορησάντων [[ 2nd c.AD: Galenus Medicus 15.134; opposed to διαφωνία, [prev. work] 440;] Refs 2nd c.AD+] concordance, of theory with observed fact, ἔχειν τοῖς φαινομένοις σ. [[ 4th-3rd c.BC: Epicurus Philosophus “Epistulae” 2p.36U., compare 1st c.BC: Philodemus Philosophus “de Morte - Papiri Ercolanesi” 10; also ἡ πρὸς τὰ πάθη σ. Polystr. p.15 W.: in concrete sense, ἡ σ.,] Refs 4th c.BC+] ={τὸ συμπεφωνημένον} [[compare (συμφωνέω 11.2)] Refs], the amount agreed upon, [[ Ostr. 364 (1st c.AD). ] Refs 1st c.AD+]