HippAp 26(5) :ܫܠܦܘܚܬܐ܂ ܐܘ݁ ܡܘܚܐ ܕܪܝܫܐ܂ ܐܘ ܠܒܐ܂ ܐܘ݁ ܦܪܗܢܗܣ‏ : bladder, brain, heart, or diaphragm
See the entire entry for leḇ, lebbāˀ n.m. heart; mind