13 letters · 25 points in Scrabble
adjective of or relating to or being a hemisphere
originEtymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Ancient Greek ἡμῐ- (hēmĭ-)lbor. English hemi- English spherical English hemispherical From hemi- + spherical.
Etymology from Wiktionary, CC BY-SA 3.0