scowl (v.)youdaoicibaDictYouDict[scowl 词源字典]
mid-14c., from a Scandinavian source (compare Norwegian skule "look furtively, squint, look embarrassed," Danish skule "to scowl, cast down the eyes"). Probably related to Old English sceolh "wry, oblique," Old High German scelah "curved," German scheel "squint-eyed;" from PIE root *sqel- "crooked, curved, bent." Related: Scowled; scowling.[scowl etymology, scowl origin, 英语词源]
scowl (n.)youdaoicibaDictYouDict
c. 1500, from scowl (v.).