A.die away, to be like to die, γέλῳ (for γέλωτι) ἔκθανον were like to die with laughing, Od.18.100 ; “ὁρῶντες ἐξέθνῃσκον ἐπὶ τῷ πράγματι” Antiph.190.7 ; “ὑπὸ γέλωτος ἐ.” Plu. 2.54c ; “ὑπὸ τοῦ δέους” Luc.Icar.23, etc.
2. to be in a death-like swoon, ἐξέθανε πεντάκις ὥστε τεθνάναι δοκέειν, Hp.Epid.5.42, cf. Philem.1.6 D.; ὁ ἐκτεθνεώς, opp. ὁ ὄντως τεθνηκώς, Pl.Lg.959a ; opp. ἀποθνῄσκειν, Arist.HA521a11, cf.Pr.962b4:—so in S.Tr.568 (though Nessus was really dying) ἐκθνῄσκων may retain its usual sense, fainting away, at the point of death.