prevention
From LSJ
οὐ κύριος ὑπὲρ μέδιμνόν ἐστ' ἀνὴρ οὐδεὶς ἔτι → he is no better than a woman, no man is any longer permitted to transact business over the one-bushel limit?
P. διακώλυσις, ἡ.
turning aside: P. and V. ἀποτροπή, ἡ.
obstacle: P. κώλυμα, τό; see obstacle.