See the entire entry for yī/yǝḥīḏ adj. lone, unique

P Gn22:2 :ܘܐܣܩܝܗܝ ܬܡܿܢ ܠܥܠܬܐ : offer him up there as a burnt offering

See the entire entry for ˁlā, ˁlāṯā n.f. burnt offering, sacrifice