Udûn (as also known in Sindarin, English)
This is possibly Ñoldorin, certainly not Sindarin, since dûn" would translate to "west.
German: Udûn-Tal ‘Udûn Valley’
Quenya: Utumno ‘Deep-hidden’
Udûn
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Udûn of Mordor
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Utumno
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Udûn
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Udún / Udûn, Name of Utumno,
Melkors ancient fortress in the far north of the World.
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Udún / Udûn, Valley in Mordor,
The valley behind the Gates of Mordor.
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