γελαστής
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
English (LSJ)
οῦ, ὁ,
A laugher, sneerer, S.OT1422:—fem. γελάστρια, Sch.Ar.Th.1068.