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sphere

/sfɪə/ noun

In Latin: sphaera, globus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about sphere at Wordnik → Where our words come from →

  1. A particular environment or walk of life.
    his social sphere is limited
  2. Any spherically shaped artifact.
  3. The geographical area in which one nation is very influential.

Origin

From Middle English spere, from Old French sphere, from Late Latin sphēra, earlier Latin sphaera (“ball, globe, celestial sphere”), from Ancient Greek σφαῖρα (sphaîra, “ball, globe”), of unknown origin. Not related to superficially similar Persian سپهر (sepehr, “sky”) . Displaced Old English cliewen, þoþor, and æppel.

From Wiktionary, via Kaikki.org (CC BY-SA)