Etymograph
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Tolkien's Languages
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Sindarin
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Names
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Iml
a
dris
NP
deep valley-cleft
Source: RGEO:62,
https://eldamo.org/content/words/word-764812911.html
Attested in
Aerlinn in Edhil o Imladris
Compound:
imlad
"deep valley" +
riss
"cleft"