IshPs 40(13) :ܥܒܪܝܐ ܕܝܢ ܠܫܡܝܐ ܣܓܝܢܐܝܬ ܩ݁ܪܐ܃ ܝܘܢܝܐ ܕܝܢ ܘܐܪܡܝܐ ܚܕܢܐܝܬ‏ : the Hebrew calls heaven by a plural form; the Greek and Aramaic (!) by a singular
See the entire entry for ḥḏānāˀīṯ adv. (gram.) in the singular

IshPs 40(13) :ܥܒܪܝܐ ܕܝܢ ܠܫܡܝܐ ܣܓܝܢܐܝܬ ܩ݁ܪܐ܃ ܝܘܢܝܐ ܕܝܢ ܘܐܪܡܝܐ ܚܕܢܐܝܬ‏ : The Hebrews refer to heaven as a plural; the greeks and Syrians, on the other hand, as a singular.
See the entire entry for ḥḏānāy adj. unique