CPA Jer13:4 :ܘܩܘܡ ܐ݁ܙܠ ܥܠ ܦܘܪܬ ܘܐܛܡܪ ܝܬܗ ܬܡ݁ܢ‏ : get going to the Euphrates and hide it there
See the entire entry for prā/aṯ n.m. The Euphrates