IshPs 114(6) :ܥܒܕܘ ܐܬܘ̈ܬܗܘܢ ܐܬܘ̈ܬܐ ܘܕܫܪܟܐ܂ ܗܢܘ܂ ܝܕܥ̈ܐ‏ : they made their letters letters (Ps 74:4), i.e. signs
See the entire entry for yəḏaˁ, yadˁā n.m. information, sign