προπίνειν
From LSJ
οὐκ ἔστι λέουσι καὶ ἀνδράσιν ὅρκια πιστά → there are no pacts between lions and men, between lions and men there are no oaths of faith, there can be no covenants between men and lions
Greek > English (Woodhouse Verbs Reversed)
(see also προπίνω): drink a health to, fling away wantonly, fling away without return, fling away, give away for nothing, give away, give up, throw away for nothing