ὁ λαγὼς τὸν περὶ τῶν κρεῶν τρέχει → save one's bacon, save one's neck, save one's skin
ἰσόπαχυς, -υ (Α)ἰσοπαχής.[ΕΤΥΜΟΛ. < ἰσ(ο)- +-παχυς (< παχύς), πρβλ. νευρόπαχυς, χρυσόπαχυς].