Kays 212:4 :ܐܣܛܪܘܠܘܝܓܝܐ܂ ܗ̄ ܡܡܠܠܘܬ ܟܘܟ̈ܒܐ‏ : astrology, i.e. the study of the stars and planets
See the entire entry for ˀasṭrōlōgīā n.f. astrology

Kays 212:4 :ܕܒܪܘ ܘܙܗܪܘ ܣ݁ܓܝ݂ ܘܟܠܘ ܠܡܗܝ̈ܡܢܐ ܡ݂ܢ ܝܕܥܬܐ ܕܐܣܛܪܘܠܘܓܝܐ‏ : they guided and admonished many and kept the believers from a knowledge of astrology
See the entire entry for zhr vb. to beware