ἄγον-ος, ον,
(γονή):
__I passive, unborn, [[ 8th c.BC: Ilias Homerus Epicus “Illiad” 3.40] Refs 8th c.BC+] (which Augustustranslated childless, Suet [[ “Oct.” 65), 5th c.BC: Euripides Tragicus “Phoenissae” 1598, 4th c.BC: Eubulus Comicus 107.11. ] Refs 5th c.BC+]
__I.2 γόνος ἄ. no longer a son, of a horse that mounts his dam, [[ 3rd c.AD: Oppianus Apamensis Epicus “Cynegetica” 1.260. ] Refs 3rd c.AD+]
__II active, unfruitful, sterile, of animals both male and female, [[ 5th c.BC: Hippocrates Medicus “ἀφορισμοί” 5.59, “Art.” 41 (_comparative_), 4th c.BC: Aristoteles Philosophus “de Generatione Animalium” 726a3 (_comparative_), etc.] Refs 5th c.BC+]; γαστήρ[[ 2nd-3rd c.AD: Aelianus “De Natura Animalium - Ar.Byzantine Epit.” 15.9] Refs 2nd c.AD+]; τόκοισι ἀ. travail withoutissue, bringing no children to the birth, [[ 5th c.BC: Sophocles Tragicus “Oedipus Tyrannus” 27: _metaphorically_, ἄ. ποιητής 1st-2nd c.AD: Plutarchus Biographus et Philosophus 2.348b. ] Refs 5th c.BC+]
__II.b of flowers, sterile, or seeds, infertile, [[ 4th-3rd c.BC: Theophrastus Philosophus “Historia Plantarum” 1.13.4, 1.11.1] Refs 4th c.BC+]; ὁμίχλη νεφέλη ἄ., i. e. not producing water, [[ 4th c.BC: Aristoteles Philosophus “Meteorologica” 346b35, cf. Ar.D [prev. author] p.451.33D. ] Refs 4th c.BC+]
__II.c metaphorically, ἄ. ἡμέρα, ἔτος a day or year unlucky for begetting children, [[ 5th c.BC: Hippocrates Medicus “ἐπιδημίαι” 2.6.8 and 10] Refs 5th c.BC+] (of odd days and years); τὸ ἄ. τῆς ὕλης[[ 3rd c.AD: Plotinus Philosophus 3.6.19, compare 6.3.8. ] Refs 3rd c.AD+]