προεκρήγνυμαι
From LSJ
Εὐφήμει, ὦ ἄνθρωπε· ἁσμενέστατα μέντοι αὐτὸ ἀπέφυγον, ὥσπερ λυττῶντά τινα καὶ ἄγριον δεσπότην ἀποδράς → Hush, man, most gladly have I escaped this thing you talk of, as if I had run away from a raging and savage beast of a master
English (LSJ)
Pass.,
A break out suddenly or prematurely, χειμῶνες π. Hp.Epid.1.4; also of diseases, Id.Hum.13, Gal.9.916.