8 letters · 13 points in Scrabble
adjective of or relating to a galaxy (especially our galaxy the Milky Way)
adjective inconceivably large
originBorrowed from Ancient Greek γαλακτικός (galaktikós, “milky”), from γάλα (gála, “milk”). Doublet of galactico.
Etymology from Wiktionary, CC BY-SA 3.0