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Vinony

undersea

adjective

  1. having the property of being under or on the floor of a sea or ocean
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Wiktionary

adj

Etymology: Etymology tree Proto-Indo-European *h₁én Proto-Indo-European *h₁entér Proto-Indo-European *(H)n̥dʰí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dʰér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- English sea English undersea From under- + sea.

  1. Existing, relating to, or made for use beneath the sea.

    “It is not known just what action will be taken against the captain of the undersea boat.”

    “"You're right!" she cried. "I'm sure you are." Twenty reasons come back. An undersea tunnel to the little island.”