abyssal
adjective/əˈbɪsl/
/əˈbɪsl/
(specialist)- relating to the bottom of the ocean, especially to depths of between 3 000 and 6 000 metresOxford Collocations DictionaryAbyssal is used with these nouns:
- depth
Word Originmid 17th cent.: from late Latin abyssalis ‘belonging to an abyss’ from Greek abussos ‘bottomless’, from a- ‘without’ + bussos ‘depth’.
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abyssal