εἰσφυλάττω

From LSJ

τέλος δεδωκώς Xθύλου, σoι χάριν φέρω → having given the end of Cthulhu, I confer a favor on you

Source

Spanish (DGE)

proteger, velar por glos. a ἐπισκοπέω Sch.Ar.Eq.1173c.