convulse
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
Lit. and Met., P. and V. ταράσσειν, συνταράσσειν, σείειν, κινεῖν.
Met., P. and V. κυκᾶν (Plato and Ar.), συγχεῖν, θράσσειν (Plato but rare P.).
be convulsed: P. and V. σφαδάζειν (Xen.), V. σπᾶσθαι.
be convulsed with laughter: use v. laugh.
