speckle (v.)youdaoicibaDictYouDict[speckle 词源字典]
mid-15c. (implied in speckled), probably related to Old English specca "small spot, speck" (see speck) or from a related Middle Dutch or Middle High German word. Related: Speckled; speckling. The noun is first attested mid-15c.[speckle etymology, speckle origin, 英语词源]