IshExod 3:3 :ܪܩܩܐ ܩ݁ܪܐ܂ ܠܐܝܟܐ ܕܪܩܝܩܝܢ ܡܝ̈ܐ‏ : he calls r’ to a place where the water is thin
See the entire entry for rqāq, rqāqā n.m. swamp; ford