ἀποσπένδειν σπονδὰς λείβειν

From LSJ

αἵ τε γὰρ συμφοραὶ ποιοῦσι μακρολόγους → For, in addition, our misfortunes make us long-winded (Appian, Libyca 389.3)

Source

Greek > English (Woodhouse)

make libations, pour libations