IshGen 77:26 :ܐܦ ܒܚܘܝܐ ܚܕ ܗ݂ܘ ܥܩܪܐ ܕܠܫܢܗ ܘܒܫܘܠܡܗ ܦܨܝܠ ܘܦܪܝܫ‏ : also with the serpent, the base of its tongue is single, but at its end it is split and separated
See the entire entry for pṣl vb. to split