τυφὼς γὰρ ἐκβαίνειν παρασκευάζεται → a hurricane is getting ready to burst
circum-caesūra: or separate, cir-cum caesūra, ae, f.,I the external contour or outline ( = circumscriptio), Lucr. 3, 220; 4, 645; Arn. 3, p. 107.