δύναμαι [ῠ], 2 sg. δύνασαι Il. 1.393, Od. 4.374, S. Aj. 1164 (anap.), Ar. Nu. 811 (lyr.), Pl. 574, X. An. 7.7.8, etc.; δύνῃ Carm.Aur. 19, also in codd. of S. Ph. 798, E. Hec. 253, Andr. 239, and later Prose, Plb. 7.11.5, Ael. VH 13.32; Aeol. and Dor. δύνᾳ Alc. Oxy. 1788 Fr. 15 ii 16, Theoc. 10.2, also S. Ph. 849 (lyr.), dub. in OT 696 (lyr.); δύνῃ is subj., Ar. Eq. 491, cf. Phryn. 337; Ion. 3 pl. δυνέαται Hdt. 2.142; subj. δύνωμαι, Ion. 2 sg. δύνηαι Il. 6.229 ( δυνεώμεθα -ωνται as vv.ll. in Hdt. 4.97, 7.163); also δύνᾱμαι Sapph. Supp. 3.3, GDI 4952 A 42 ( Crete): impf. 2 sg. ἐδύνω h.Merc. 405, X. An. 1.6.7; later ἐδύνασο Hp. Ep. 16 (v.l. ἠδ.), Luc. DMort. 19[9].1; Ion. 3 pl. ἐδυνέατο Hdt. 4.110, al. ( ἠδ- codd.): fut. δυνήσομαι Od. 16.238, etc.; Dor. δυνᾱσοῦμαι Archyt. 3; later δυνηθήσομαι D.C. 52.37: aor. ἐδυνησάμην Il. 14.33, Ep. δυν- 5.621; subj. δυνήσωνται Semon. 1.17, never in good Att., f. l. in D. 19.323: Pass. forms, Ep., Ion., Lyr., ἐδυνάσθην or δυνάσθην Il. 23.465, al., Hdt. 2.19, al., Pi. O. 1.56, Hp. Art. 48 (v.l. δυνηθείη), also in X. Mem. 1.2.24, An. 7.6.20; Trag. and Att. Prose ἐδυνήθην S. Aj. 1067, OT 1212 (lyr.), E. Ion 867 (anap.), D. 21.80,186: pf. δεδύνημαι D. 4.30, Din. 2.14, Phld. Rh. 1.261S.—The double augment ἠδυνάμην is Att. acc. to Moer. 175, but Ion. acc. to An.Ox. 2.374, and is found in codd. of Hdt. 4.110, al., Hp. Epid. 1.4.2 [1.26.βʹ], al.; ἠδύνω is required by metre in Philippid. 16; but is not found in Att. Inscrr. before 300 B.C., IG 2(2).678.12, al., cf. ἠδύνασθε ib. 7.2711 ( Acraeph., i A.D.); both forms occur in later writers: ἠδυνήθην occurs in A. Pr. 208, and codd. of Th. 4.33, Lys. 3.42, etc.: δύνομαι is a late form freq. in Pap. as UPZ 9 (ii B. C.), al. [ ῠ, exc. in δῡναμένοιο Od. 1.276, 11.414, Hom. Epigr. 15.1, and pr. n. Δῡναμένη, metri gr.]