σφαδαστικῶς
From LSJ
ἔχεις δὲ τῶν κάτωθεν ἐνθάδ᾽ αὖ θεῶν ἄμοιρον, ἀκτέριστον, ἀνόσιον νέκυν → and you have kept here something belonging to the gods below, a corpse deprived, unburied, unholy | but keepest in this world one who belongs to the gods infernal, a corpse unburied, unhonoured, all unhallowed
English (LSJ)
Adv. A convulsively, Eust.1693.5.
Greek (Liddell-Scott)
σφᾰδαστικῶς: Ἐπίρρ., μετὰ σπασμῶν, σπασμωδῶς, Εὐστάθ. 1693. 5.