P 2Ch18:23 :ܡܢ ܐܡܬܝ ܘܠܟܐ ܥܒܪܬ ܪܘܚܗ ܕܡܪܝܐ ܡܢܝ ܠܡܡܠܠܘ ܥܡܟ‏ : since when did the spirit of the Lord depart from me to speak with you?
See the entire entry for ˀimmattī, ˀimmaṯ conj. when, whenever