Borrowed from Aramaic קַשּׁא (qaššā) / ܩܷܫܳܐ (qeššā, “thin straw, stubble, chaff”), from Akkadian 𒄀𒋝 (/kikkišu, kikkisu/, “large amounts of reeds plaited together”).
Practice speaking and memorizing "قش" and many other words and sentences in Arabic.