Inherited from Ottoman Turkish كتان, from Arabic كَتَّان (kattān), from Classical Syriac ܟܶܬܳܢܳܐ (kettānā, “flax; linen”). Cognate with Akkadian 𒃰 (kitûm, “flax”), 𒄀𒆤 (kītum, “mat”), Sumerian 𒃰 (gada, “flax”), 𒄀𒆤 (ᵍⁱkid, “mat”) and Old Armenian կտաւ (ktaw, “flax”).
Practice speaking and memorizing "keten" and many other words and sentences in Turkish.