IshGen 1:22 :ܥܕܡܫ ܗܠܝܢ ܕܚܢ̈ܦܐ ܡܬܪܥܐ ܗܘ݂ܐ ‍[‍ܒܐ‍]‍ܣܛܪܘܢܘܡܝܐ ܟܝܬ ܘܒܐܣܛܪܘܠܘܓܝܐ ܘܒܚܠܩܐ‏ : up to then he had been thinking about pagan issues, that is to say astronomy, astrology and fate
See the entire entry for ˀasṭrōnōmīā n.f. astronomy