Dale
Old English dæl, of Germanic origin; related to Old Norse dalr, Dutch dal, and German Tal, also to dell.
wiktionary
From Middle English dale, from Old English dæl, from Proto-Germanic *dalą. Cognate with Saterland Frisian Doal, Dutch dal, German Low German Daal, German Tal, Swedish dal, Danish dal, Norwegian dal, Icelandic dalur. [1]
Related to Low German daal or Dutch daal(“lowers, descends”) and French dalle(“trough; conduit”). Attested in English since the seventeenth century. [2]
etymonline
dale (n.)
level or gently sloping ground between low hills with a stream flowing through it, Old English dæl "vale, valley, gorge," from Proto-Germanic *dalaz "valley" (source also of Old Saxon, Dutch, Gothic dal, Old Norse dalr, Old High German tal, German Tal "valley"), perhaps from PIE *dhel- "a hollow" (source also of Old Church Slavonic dolu "pit," Russian dolu "valley"), or perhaps a substratum word. It was preserved by Norse influence in the north of England. Related: Dalesman.
