φιλοσοφίαν καινὴν γὰρ οὗτος φιλοσοφεῖ → this man adopts a new philosophy
setīus: v. secus.
sētĭus, v. secius.
sētius, s. 2. secus no. II.
setius ADV :: less, worse; [nihilo setius => none the less, nevertheless]