com-prōmitto (conp-), mīsi, missum, 3 (contr. form conpromesise = conpromisisse, S. C. Bacch. v. 14), v. a., jurid. t. t. in lawsuits,
I to promise mutually to abide by the decision of an arbiter : tribunicii candidati conpromiserunt, Cic. Q. Fr. 2, 14 (15, 6): de aliquā re, Dig. 4, 8, 13: in arbitrum, ib. 44, 4, 4; 4, 8, 21 al.—
II To promise at the same time (very rare): eisque spolia peremptorum hostium compromittens, Cassiod. Hist. Eccl. 6, 1.