sheave (v.) Look up sheave at Dictionary.com
"to gather up in sheaves," 1570s; see sheaf. Related: Sheaved; sheaving. Earlier verb in this sense was simply sheaf (c.1500).
sheave (n.) Look up sheave at Dictionary.com
"grooved wheel to receive a cord, pulley" (mid-14c.), also "slice of bread" (late 14c.), related to shive (n.).