κατασοφίζομαι
δρυὸς πεσούσης πᾶς ἀνὴρ ξυλεύεται → when the oak falls, everyone cuts wood | when an oak has fallen, every man gathers wood | on the fall of an oak, every man gathers wood | when an oak has fallen, every man becomes a woodcutter | one takes advantage of somebody who has lost his strength | one takes advantage of somebody who has lost his power | when the tree is fallen, every man goes to it with his hatchet
English (LSJ)
A outwit by sophisms or fallacies, c. acc. pers., LXX Ex.1.10, Luc.DDeor.1.1, etc.; ταῖς εὑρησιλογίαις κ. τὴν δύναμιν τῆς πεπρωμένης D.S.17.116; τὸν νόμον διὰ τῆς ἑαυτοῦ κακουργίας κ. Just. Nov.72.5: c. gen., Ael.in Ar.Byz.Epit.58.6:—also as Pass., to be outwitted, Plu.2.80c, Alex.Aphr.in SE43.22, Luc.DDeor.16.2, Longin. 17.1. 2 κ. τι περί τινων evade by quibbling, CIG(add.)4224d10 (Anticragus). 3 falsify, J.AJ8.15.5.