C / com-prōmitto
verb transitive

com-prōmitto

2nd PP com-prōmittere · 3rd PP com-promīsi · 4th PP com-promissum · conj. 3rd
(), (contr. form conpromesise = conpromisisse, S. C. Bacch. v. 14), , jurid. t. t. in lawsuits
to promise mutually to abide by the decision of an arbiter
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.
To promise at the same time
To promise at the same time (very rare): eisque spolia peremptorum hostium compromittens, Cassiod. Hist. Eccl. 6, 1.