dene (n.2)youdaoicibaDictYouDict[dene 词源字典]
"bare, sandy tract by the sea," late 13c., of uncertain origin, perhaps connected to dune, but the sense difference is difficult.[dene etymology, dene origin, 英语词源]
dene (n.1)youdaoicibaDictYouDict
"small valley," from Old English denu "valley" (see den).