English

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Etymology

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under- +‎ earth

Adjective

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underearth (not comparable)

  1. Beneath the earth; underground.
    • 1954, Keats-Shelley Journal, volumes 3-4, page 8:
      The sleep-healing takes place, shortly before the end of the poem, in the "Cave of Quietude," an underearth cavern that is environed by "hell."

Anagrams

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