Ps-Clem Recogs 1.52:18 :ܦܘܪܫܢܐ ܕܗܢܝܢ ܕܕܟܝ̈ܢ ܘܕܗܢܝܢ ܕܠܐ ܕܟܝ̈ܢ ܐܬܗܝܡܢ‏ : he was entrusted with the distinction of those things that are pure and those that are not pure
See the entire entry for hymn vb. to believe; trust in