coe (n.)youdaoicibaDictYouDict[coe 词源字典]
"hut built over a mine shaft," 1650s, from some source akin to Dutch kouw, German kaue in the same sense, from West Germanic *kauja-, an early borrowing of Latin cavea "hollow," from cavus "a hollow" (see cave (n.)).[coe etymology, coe origin, 英语词源]