gilded (adj.)youdaoicibaDictYouDict[gilded 词源字典]
1560s, past participle adjective from gild (v.). Late Old English had gegylde; Middle English had gilden (adj.). In modern use the more dignified past participle of gild, alternative to gilt. Shakespeare's lilies were never gilded; the quote ("King John," iv.2) is, "To gild refined gold, to paint the lily." Gilded Age as an era in U.S. history (roughly 1870-1900) is from the novel "The Gilded Age" by Mark Twain and Charles Dudley Warner, published in 1873.[gilded etymology, gilded origin, 英语词源]
haircut (n.)youdaoicibaDictYouDict
also hair-cut, 1887, "act of cutting the hair," from hair (n.) + cut (n.). As "style of wearing the hair," by 1890.
The Romans began to cut the hair about A.U.C. 454, when Ticinius Maenas introduced Barbers from Sicily. Then they began to cut, curl, and perfume it. The glass was consulted as now upon rising from the barber's chair. [Rev. Thomas Dudley Fosbroke, "Encyclopædia of Antiquities," London, 1825]
Related: Haircutter; haircutting.