lofty (adj.)youdaoicibaDictYouDict[lofty 词源字典]
"exalted, of high rank," early 15c.; also "with a high purpose," from loft + -y (2). From early 14c. as a surname. Literal sense of "high" is attested from 1580s. Related: Loftily; loftiness.[lofty etymology, lofty origin, 英语词源]