AphDem1.9:18 :ܘܦܪܫ ܬܡܢ ܥܠܝܗ݀ ܥܠ ܫܬܐܣܬܐ ܘܚܘܝ ܂܂܂ ܕܫܬܐܣܬܐ ܐܚܪܬܐ ܣܛܪ ܡܢ ܗܕܐ ܕܣܝܡܐ݂܂ ܐܢܫ ܠܐ ܡܫܟܚ ܠܡܣܡ‏ : there he specified the foundation and showed ,,, that no one was able to install another foundation other than this one that was established
See the entire entry for prš vb. to separate, distinguish