13 letters · 18 points in Scrabble
adjective between or among galaxies
originEtymology tree Proto-Indo-European *h₁én Proto-Indo-European *h₁entér Proto-Italic *n̥ter Latin inter Latin inter-bor. English inter- English galactic English intergalactic From inter- + galactic.
Etymology from Wiktionary, CC BY-SA 3.0