οὔποτε ποιήσεις τὸν καρκίνον ὀρθὰ βαδίζειν → thou shalt never make the crab walk straight
astăcus: i, m., = ἄστακος,I a kind of crab, Plin. 9, 31, 51, § 97; cf. Isid. Orig. 12, 8, 9.
