spangle (n.)youdaoicibaDictYouDict[spangle 词源字典]
early 15c., "small piece of glittering metal," diminutive of spang "glittering ornament, spangle," probably from Middle Dutch spange "brooch, clasp," cognate with Old English spang "buckle, clasp," from Proto-Germanic *spango, from an extended form of the root of span (v.).[spangle etymology, spangle origin, 英语词源]
spangle (v.)youdaoicibaDictYouDict
1540s, "cover with spangles," from spangle (n.). Intransitive meaning "glitter, glisten" is from 1630s. Related: Spangled; spangling.