OS MtCur4:6 :ܐܢ ܒܪܗ ܐܢܬ ܕܐܠܗܐ ܐܪܡܐ ܢܦܫܟ ܠܬܚܬ‏ : if you are the son of God, throw yourself down
See the entire entry for lṯaḥt adv. below