P Gn2:10 :ܘܡܢ ܬܡܢ ܦ݁ܪܫ ܘܗܘ݁ܐ ܠܐܪ̈ܒܥܐ ܪ̈ܫܝܢ‏ : from there it became divided into four main branches
See the entire entry for prš vb. to separate, distinguish

P Gn2:10 :ܘܡܢ ܬܡܢ ܦ݁ܪܫ ܘܗܘ݁ܐ ܠܐܪ̈ܒܥܐ ܪ̈ܫܝܢ‏ : from there it divided and turned into four headwaters
See the entire entry for rēš, rēšā n.m. head; top; chief