CPA Mark1:4 :ܗܘܐ ܝܘܚܢܝܣ ܡܨܒܥ ܒܡܕܒܪܐ ܘܡܟܪܙ ܡܨܒܘܥܝ ܕܬܗܘ ܠܫܘ̈ܒܘܩܝܢ ܕܣܟ̈ܠܢ‏ : John was baptizing in the desert and preaching a baptism of penitence for forgiving sins
See the entire entry for ṣbˁ vb. to moisten; to dye

CPA Mark1:4 :ܡܟܪܙ ܡܨܒܘܥܝ ܕܬܗܘ ܠܫܘ̈ܒܘܩܝܢ ܕܣܟ̈ܠܢ‏ : preaching the baptism of penitence for the remission of sins
See the entire entry for thw n.f. regret, penitence