πταρμός
From LSJ
οὗτος μὲν ὁ πιθανώτερος τῶν λόγων εἴρηται, δεῖ δὲ καὶ τὸν ἧσσον πιθανόν, ἐπεί γε δὴ λέγεται, ῥηθῆναι → this is the most credible of the stories told; but I must relate the less credible tale also, since they tell it
English (LSJ)
ὁ,
A sneezing, Hp.Aph.6.13 (pl.), Th.2.49, Pl. Smp.189a, Arist.Pr.961b9; πταρμόν τ' ὄρνιθα καλεῖτε Ar.Av.720, cf. Arist.HA492b6; as a bad omen, Polyaen.3.10.2.