ἄγον-ος · agon-os — LSJ
Pass., unborn, Il. 3.40 (which Augustus translated childless, Suet. Oct. 65), E. Ph. 1598, Eub. 107.11.
γόνος ἄ. no longer a son, of a horse that mounts his dam, Opp. C. 1.260.
Act., unfruitful, sterile, of animals both male and female, Hp. Aph. 5.59, Art. 41 (Comp.), Arist. GA 726a3 (Comp.), etc.; γαστήρ Ael. NA 15.9; τόκοισι ἀ. travail without issue, bringing no children to the birth, S. OT 27: metaph., ἄ. ποιητής Plu. Glor.Ath. 2.348b.
of flowers, sterile, or seeds, infertile, Thphr. HP 1.13.4, 1.11.1; ὁμίχλη νεφέλη ἄ., i. e. not producing water, Arist. Mete. 346b35, cf. Ar.Did. p. 451.33D.
metaph., ἄ. ἡμέρα, ἔτος a day or year unlucky for begetting children, Hp. Epid. 2.6.8 and 10 (of odd days and years); τὸ ἄ. τῆς ὕλης Plot. 3.6.19, cf. 6.3.8.
Astrol., impeding generation, ζῴδιον Vett.Val. 10.11.
c. gen., not productive of, σοφίας Pl. Tht. 150c, cf. 157c; γῆ θηρίων ἄ. Mx. 237d.
childless, γένος E. HF 888, Hld. 4.12.
ἄγονον, τό, = μυρσίνη ἀγρία, Ps.-Dsc. 4.144; ἄγονος, = ἄγνος, Id. 1.103, Sch. Nic. Th. 71.