frontlet (n.)youdaoicibaDictYouDict[frontlet 词源字典]
"headband," late 15c., from Old French frontelet, diminutive of frontel "forehead, front of a helmet, hairband" (Modern French fronteau), from Late Latin frontale "an ornament for the forehead," from frons "forehead; front" (see front (n.)).[frontlet etymology, frontlet origin, 英语词源]