ὁ λαγὼς τὸν περὶ τῶν κρεῶν τρέχει → save one's bacon, save one's neck, save one's skin
aetĭŏlŏgĭa: ae, f., = αἰτιολογία,I an allegation of reasons, a bringing of proofs, Isid. Orig. 2, 21.