Ps-Clem Hom 14.328:7 :ܥܠ ܗܘܐ ܘܨܢܝܥܐܝܬ ܢܦܫܗ ܡܓܢܒ ܗܘ‏ : he came in and cunningly was hiding himself
See the entire entry for gnb vb. to steal