SyrIncBowl 16.14 :ܘܚܬܡ ܣܕܢܐ ܕܐܪܥܐ ܡܢ ܟܘܠ ܕܝܘܐ̈ ܛܡܝܐ ܘܛ‍[‍ܢ‍]‍ܦܐ̈‏ : the seal of the base of the Earth against all unclean and foul devils
See the entire entry for saddān, saddānā n.m. foundation; anvil