P Joel2:12 :ܐܬܦܢܘ ܠܘܬܝ ܡܢ ܟܠܗ ܠܒܟܘܢ܂ ܒܨܘܡܐ ܘܒܒܟܬܐ ܘܒܡܪ̈ܩܕܬܐ‏ : turn back to Me with all your heart, with fasting, weeping, and mourning (rites?)
See the entire entry for *marqəḏū, marqəḏūṯā n.f. mourning