P Ex28:16 :ܡܪܒܥ݂ ܢܗܘܐ ܟܕ ܐܥܝܦ܂ ܙܪܬ ܐܘܪܟܗ ܘܙܪܬ ܦܬܝܗ‏ : it should be quadrangular while doubled [i.e., perfectly square], one span its length, one span its width
See the entire entry for ˀaˁˁīp̄ adj. doubled