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Old English siðe, sigði, from Proto-Germanic *segithoz (cf. Middle Low German segede, Middle Dutch sichte, Old High German segensa, German Sense), from PIE root *sek- "to cut" (see section (n.)). The sc- spelling crept in early 15c., from influence of Latin scissor "carver, cutter" and scindere "to cut." Cf. French scier "saw," a false spelling from sier.
1570s, "use a scythe;" 1590s "to mow;" from scythe (n.). From 1897 as "move with the sweeping motion of a scythe." Related: Scythed; scything.
one of the most important of all agricultural hand tools, consisting of a curved blade fitted at an angle to a long, curved handle and used for cutting grain. In modern scythes the handle has a projecting peg that is grasped by one hand, facilitating control of the swinging motion by which grass and grain are cut. The exact origin of the scythe is unknown, but it was little used in the ancient world. It came into wide use only with agricultural developments of the Carolingian era (8th century AD) in Europe, when the harvesting and storing of hay became important to support livestock through winters.