IshGen 47:8 :ܐܝܟ ܐܒܐ ܓܝܪ ܠܐ ܝܠܝܕܐ܃ ܐܕܡ ܠܐ ܝܠܝܕܐ ܨܠܡܢܐܝܬ܂ ܘܐܝܟ ܒܪܐ ܝܠܝܕܐ܃ ܫܝܬ ܝܠܝܕܐ ܨܠܡܢܐܝܬ‏ : for just as the Father is unborn, so was Adam unborn as an image, and as the Son is was born, Seth was born as an image
See the entire entry for ṣalmānāˀīṯ adv. as an image