EphFid 31:7.4 :ܐܝܬܘܬܐ ܕܒܟܠ ܡܢ ܟܠ ܡܥܠܝܐ‏ : Oh essence that is in all, but higher than all
See the entire entry for ˀīṯū, ˀīṯūṯā n.f. essence