AphDem23.486:23 :ܕܦܪܫܟ ܡܢ ܐܝܬܘܬܗ ܘܫܕܪܟ ܠܘܬܢ‏ : who separated You from His essence and sent You to us
See the entire entry for ˀīṯū, ˀīṯūṯā n.f. essence