ἐκπυνθάνεσθαι

From LSJ

οὔποτε ποιήσεις τὸν καρκίνον ὀρθὰ βαδίζειν → thou shalt never make the crab walk straight

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: ἐκπυνθάνομαι) ask, learn, be informed, inquire of, receive intelligence