frill (n.)youdaoicibaDictYouDict[frill 词源字典]
"wavy ornamental edging," 1801 (with a doubtful attestation from 1590s), of uncertain origin despite much speculation [see OED]; figurative sense of "useless ornament" first recorded 1893. Related: Frills.[frill etymology, frill origin, 英语词源]
frill (v.)youdaoicibaDictYouDict
"to furnish with a frill," 1570s, from frill (n.) "ornamental bordering." Related: Frilled.