EphFid 51:2.2 :ܟܣܝܘܬܟ ܕܐܬܬ ܠܓܠܝܘܬܐ ܘܐܬܬ ܣܬܝܪܘܬܟ ܠܕܢܚܐ ܘܫܘܕܥܐ‏ : your hiddenness that came to be revealed and your obscurity came to the light of day and the providing of knowledge
See the entire entry for sṯīrū, sṯīrūṯā n.f. obscurity