sprinkle (v.) Look up sprinkle at Dictionary.com
late 14c. (implied in sprinkled), frequentative of sprenge (see spring (v.)) or via Middle Dutch, Middle Low German sprenkel "spot, speck," from PIE root *(s)preg- "to jerk, scatter" (cognates: Latin spargere "to scatter, sprinkle"). The meaning "rain lightly" is first recorded 1778.