παρασπονδ-έω · paraspond-eō — LSJ
break a compact, treaty
break a compact or treaty, D. 7.36, 18.71, Onos. 37.3 ; εἴς τινα D.H. 2.72.
II
trans.,
1 break faith with, suffer by a breach of faith
π. τινάς break faith with them, Plb. 1.7.8, cf. Plu. Sull. 3 ; τοὺς παρεσπονδηκότας τὰς πόλεις IG 2(2).687.32 :—Pass., suffer by a breach of faith, Plb. 3.15.7, J. BJ 1.19.4 ; ὑπό τινος Id. Vit. 59.
2 violate
π. πίστεις, δεξιάς, violate pledges, etc., D.H. 6.30, 7.46.