Ps-Clem Recogs 2.134:17 :ܐܢ ܬܫܠܐ ܡܢ ܓܘܚܟܐ ܕܓܚܟ ܐܢܬ‏ : if you stop the laughter you are laughing
See the entire entry for gḥoḵ, guḥkā n.m. laughter, joke