Syr-RomLaw.52.20 :ܐܠܐ ܒܠܚܘܕ ܥܠ ܦܣܛܘܣ ܕܝܠܗ ܝܗ݂ܒ ܠܗ‏ : but he only gave it to him on faith [i.e. without a receipt]
See the entire entry for psṭys n.f. faith