ἐρυγγάνω
From LSJ
ἃ γὰρ δεῖ μαθόντας ποιεῖν, ταῦτα ποιοῦντες μανθάνομεν → what we have to learn to do we learn by doing
English (LSJ)
Prose and Att. form of ἐρεύγομαι (A),
A belch, Hp.Vict.3.76, Cratin.58 : c. acc., [Βάκχιον] ἐ. E.Cyc.523, cf. Eup.198 ; σκοροδάλμην Luc.Alex.39 : metaph., δάνει' ἐρυγγάνων Diph.43.21:—also in Med., c. acc., Hp.Vict.3.75.