querelor

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

quĕrēlor, āri, v. dep. n. [querela],

to make a complaint , complain : de malis praesentibus querelatur, Arn. in Psa. 76: eum querelantem invenimus, Serv. Argum. ad Bucol. Verg.