Ling
来自Big Physics
Middle English lenge, probably from Middle Dutch; related to long1.
wiktionary
Middle English lenge, lienge. Probably related to long.
From Middle English lyng, from Old Norse lyng.
ling ( uncountable)
etymonline
ling (n.)
long, slender European fish, c. 1300, lenge, common Germanic, cognate with Dutch leng, German Leng, Old Norse langa, probably ultimately related to long (adj.) and so named for its length.