προδαπανάω

A. exhaust beforehand, τὸ μέγεθος τῆς χάριτος IG 7.2713.20 (Acraeph., Oratio Neronis):—Pass., ἐξουσία προδεδαπανημένη Luc. Abd. 11.
2. defray the expense of beforehand, ἐπισκευήν Sammelb. 5232.17 (i A.D.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project