AphDem4.74:9 :ܐܢ ܂܂܂ ܢܓܕܫ ܠܟ ܨܗܝܐ ܒܚܘܡܐ܂ ܘܠܘܬ ܚܕ ܡܢ ܐܚ̈ܐ ܬܥܪܨ‏ : if you get thirsty from the heat and turn to one of the brethren
See the entire entry for ˁrṣ vb. to happen unexpectedly