EphNis 10:10.3 :ܘܗܦܟܘ ܨܗ̈ܝܐ ܕܢܫܩܘܢܗ݀ ܠܐܪܥܐ ܒܪܗܠܐ ܕܦܓܪ̈ܝܗܘܢ‏ : the thirsty ones changed to watering the ground with their bodies' pus
See the entire entry for rhel, rehlā n.m. pus