DeMundo 152:26 :ܣܗܪܐ ܓܝܪ ܒܝܪܚܐ ܚܕ ܡܣܝܟܐ ܠܗ ܠܟܠܗ ܚܘܕܪܗ݀܂ ܟܕ ܡܬܪܒܝܐ ܘܦܓ݁ܡܐ ܘܒܨ݁ܪܐ‏ : in a single month the moon delimits its entire cycle, waxing, waning and becoming tiny
See the entire entry for pgm vb. to mutilate