StatNis.61.1 :ܘܕܐܝܟܢܐ ܒܡܝܬܪܘܬ ܝܕܥܬܗ ܕܥܒܘܕܢ ܬܩܢܗ ܠܟܝܢܢ ܕܢܫܟܚ ܠܡܩܒܠܘ ܘܠܡܪܒܝܘ ܗܢܝܢ ܕܚܫܚ̈ܢ ܠܝܘܠܦܢܗ‏ : how by the excellence of our maker's knowledge he structured our nature so that we would be able to receive and to augment those things needed for his teaching
See the entire entry for myattrū, myattrūṯā n.f. excellence