μὴ δὶς πρὸς τὸν αὐτὸν λίθον πταίειν → do not stumble twice on the same stone
abnŭĭtĭo: ōnis, f. abnuo, = negatio,I negation, Paul. ex Fest. p. 108, 7 Müll.
abnŭĭtĭō, ōnis, f., refus : P. Fest. 108, 7.