lankyoudaoicibaDictYouDict[lank 词源字典]
lank: see link
[lank etymology, lank origin, 英语词源]
lank (adj.)youdaoicibaDictYouDict
Old English hlanc "loose and empty, slender, flaccid," from Proto-Germanic *hlanka-, forming words meaning "to bend, turn," perhaps with a connecting notion of "flexible" (see flank (n.)). In Middle English, "Some examples may be long adj. with unvoicing of g" ["Middle English Dictionary"]