Etymology

From Proto-Indo-European *kyew- ‎(“to move, go”). Cognates include Persian شدن ‎(šuden, “to become”), Ossetian цæуын ‎(cæwyn), Pashto شول ‎(šwəl), Sanskrit च्य्अवते ‎(cyávate, “move to and fro, stir”), Old Armenian չու ‎(čʿu) and Ancient Greek σεύω ‎(seúō, “put in quick motion, drive”).