καθυπερτερέω
From LSJ
ἃ γὰρ δεῖ μαθόντας ποιεῖν, ταῦτα ποιοῦντες μανθάνομεν → what we have to learn to do we learn by doing
English (LSJ)
Astrol., of planetary influences,
A prevail, Heph. Astr.1.16, Porph. in Ptol.188: c. gen., Ptol.Tetr.119: c. acc., overcome, Vett.Val.102.14, al.:—Pass., Ptol.Tetr.88 (but expld. by ἐπαναφερομένου PSI3.158.22): generally, c.gen., prevail over, ἐχθρῶν Vett. Val.11.8, cf.M.Ant.8.8, Man.6.687 (s.v.l.): abs., Herm. ap. Stob.1.42.7 (prob.).