LSt.145:18 :ܘܒܬܪ ܝܘ̈ܡܬܐ ܐܣܬܢܩ ܗ݂ܘ ܐܣܝܐ ܥܠ ܬܵܪܥ ܘܪܝܕܐ‏ : after some time the physician had need of blood letting [or following vocalization: a blood letting device]
See the entire entry for trāˁ, trāˁā v.n. spurting