προομολογέω

A. grant or concede beforehand, δοξαστὸν αὐτὸ δεῖν λέγεσθαι Pl. R. 479d:—Pass., προωμολόγηταί τι εἶναι Id. Phd. 93d; τὰ προωμολογημένα things granted beforehand, Id. Tht. 159c:—Med., S.E. M. 1.9, Gal. 4.726.
II. Pass., to be betrothed beforehand, J. Ap. 2.24.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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