τυφὼς γὰρ ἐκβαίνειν παρασκευάζεται → a hurricane is getting ready to burst
dē-căno: ĕre, 3,I v. a., to celebrate by singing: Cererem, Prob. Cath. 1492 P.
dēcănō, ĕre, tr., chanter, célébrer : Prob. Cath. 4, 5.