GregOr 41 61.9.1 :ܪܘܚܐ ܩܕܝܫܐ܃ ܐܝܬܘܗܝ ܗܘܐ ܡ݁ܢ ܡܡܬܘܡ‏ : the Holy Spirit always existed
See the entire entry for mṯōm adv. always