splotch (n.)youdaoicibaDictYouDict[splotch 词源字典]
c. 1600, "a broad, ill-defined spot," perhaps a blend of spot, blot, and/or botch. Old English had splott "spot, blot; patch of land." Related: Splotchy; splotchiness.[splotch etymology, splotch origin, 英语词源]