Lewis Short
con-cesso, āvi, 1
* V. a., to cease, leave off, desist (ante- and post-class., and very rare): lavari aut fricari,Plaut. Poen. 1, 2, 9: quid ego hic properans concesso pedibus, linguā largior?id. As. 2, 2, 24; Front. Ep. ad M. Antonin. Aug. 1, 2.—Of things as subjects: concessavit praeceptum,Tert. Fug. Pers. 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary