Sleek
来自Big Physics
late Middle English: a later variant of slick (adjective and verb).
wiktionary
A late variant of slick; cognate to German schleichen (Old High German slihhan) and Dutch slijk(“mud, slime”). Compare slink.
etymonline
sleek (adj.)
1580s, variant of Middle English slike (see slick (adj.)). Originally of healthy-looking animal hair; applied to persons 1630s, with sense of "plump and smooth-skinned." Figurative meaning "slick, fawning, flattering" is from 1590s.
sleek (v.)
"make sleek," mid-15c., a variant of slick (v.). Related: Sleeked; sleeking.
