CPA IThes4:7 :ܠܐ ܓܪ ܩܪܐ ܝܬܢ ܐ݁ܠܗܐ ܠܫܩܨܘܬܐ ܐ݁ܠܐ ܠܩܕܝܫܘܬܐ‏ : for God has not called us unto uncleanness, but unto holiness
See the entire entry for šqṣw n.f. uncleanness