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• eso-
  eso-

  a combining form meaning “inner,” used in the formation of compound words.
• ESO
  ESO

  abbreviation

  European Southern Observatory

eso-

American  

1. a combining form meaning “inner,” used in the formation of compound words.

   esonarthex.

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ESO British  

abbreviation

1. European Southern Observatory

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Etymology

Origin of eso-

< Greek, combining form representing ésō within