συγκακουργέω

A. to be party with another in injuring, τῇ κόρῃ τοὺς γονεῖς D.H. 1.78, cf. 6.41, BGU 15 ii 11 (ii A.D.): abs., join in the injury, Arg.D. 32.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project