ἀντίφωνος

Ancient Greek

From ἀντι- (anti-, “in return”) +‎ -φωνος (-phōnos, “sound”).

ἀντίφωνος • (antíphōnos) m or f (neuter ἀντίφωνον); second declension

sounding in answer, concordant, as in the octave
- 428 BCE – 347 BCE, Plato, Laws 812D
- 428 BCE – 347 BCE, Plato, Laws 717B
- Philo 2.485
1. (with genitive) responsive to
  - 423 BCE, Euripides, The Suppliants 800
  - 46 CE – 120 CE, Plutarch, Moralia 2.412B
(neuter substantive) a concord in the octave
- 384 BCE – 322 BCE, Aristotle, Problems 19.39.1, (Compare 19.16)
1. (ecclesiastical) antiphon, anthem

Second declension of ἀντίφωνος; ἀντίφωνον (Attic)

Number	Singular		Dual		Plural
Case/Gender	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter	Masculine / Feminine	Neuter
Nominative	ἀντίφωνος antíphōnos	ἀντίφωνον antíphōnon	ἀντιφώνω antiphṓnō	ἀντιφώνω antiphṓnō	ἀντίφωνοι antíphōnoi	ἀντίφωνᾰ antíphōnă
Genitive	ἀντιφώνου antiphṓnou	ἀντιφώνου antiphṓnou	ἀντιφώνοιν antiphṓnoin	ἀντιφώνοιν antiphṓnoin	ἀντιφώνων antiphṓnōn	ἀντιφώνων antiphṓnōn
Dative	ἀντιφώνῳ antiphṓnōi	ἀντιφώνῳ antiphṓnōi	ἀντιφώνοιν antiphṓnoin	ἀντιφώνοιν antiphṓnoin	ἀντιφώνοις antiphṓnois	ἀντιφώνοις antiphṓnois
Accusative	ἀντίφωνον antíphōnon	ἀντίφωνον antíphōnon	ἀντιφώνω antiphṓnō	ἀντιφώνω antiphṓnō	ἀντιφώνους antiphṓnous	ἀντίφωνᾰ antíphōnă
Vocative	ἀντίφωνε antíphōne	ἀντίφωνον antíphōnon	ἀντιφώνω antiphṓnō	ἀντιφώνω antiphṓnō	ἀντίφωνοι antíphōnoi	ἀντίφωνᾰ antíphōnă
Derived forms	Adverb		Comparative		Superlative
Derived forms	ἀντιφώνως antiphṓnōs		ἀντιφωνότερος antiphōnóteros		ἀντιφωνότᾰτος antiphōnótătos
Notes:	This table gives Attic inflectional endings. For declension in other dialects, see Appendix:Ancient Greek dialectal declension.