προαποδίδωμι
From LSJ
English (LSJ)
A pay in advance, PTeb.296.13 (ii A.D.). 2 give an account of first, S.E.M.7.46:—Pass., A.D. Adv.195.17. II π. τὴν βάσιν finish the rhythmical conclusion of a sentence before the speaker reaches it, Longin.41.2. III of the bowels, act first, Aët.7.39.
German (Pape)
[Seite 708] vorher wieder- od. zurückgeben; τὴν βάσιν, den vorgeschriebenen Schritt vorher thun, Longin. 41, 2.