ἀμφιτρέχω
From LSJ
ἃ γὰρ δεῖ μαθόντας ποιεῖν, ταῦτα ποιοῦντες μανθάνομεν → what we have to learn to do we learn by doing
English (LSJ)
A run round, surround, αὐλὴν ἕρκος ἀμφιδέδρομεν Archil. 40; σέλας δ' ἀμφέδραμεν Pi.P.3.39; θείη δ' ἀμφιδέδρομεν χάρις Semon. 7.89.