- eel (n.)
[eel 词源字典]
- Old English æl "eel," from Proto-Germanic *ælaz (cognates: Old Frisian -el, Middle Dutch ael, Dutch aal, Old Saxon and Old High German al, German Aal, Old Norse all), which is of unknown origin, with no certain cognates outside Germanic. Used figuratively for slipperiness from at least 1520s.[eel etymology, eel origin, 英语词源]