EphPar 15:6.5 :ܡܚܟܡ ܒ̈ܓܠܝܬܐ ܘܡܠܦ ܣܬܝܪ̈ܬܐ‏ : he informs about the obvious things and teaches the hidden things
See the entire entry for stīrā, stīrtā n.f. hidden thing