Meaning

noun a particular environment or walk of life

noun any spherically shaped artifact

noun the geographical area in which one nation is very influential

originEtymology tree Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere 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…

Etymology from Wiktionary, CC BY-SA 3.0