Lag(291) Matt13:50 :ܬ݁ܡܢ ܗܘܐ ܒܘܟܝܐ ܘܚܪ̈ܘܩܝܗܝܢ ܕܫ̈ܝܢܝܐ‏ : there was weeping and the gnashing of teeth there
See the entire entry for ḥirrūqīn n.m.pl.t. gnashing