10 letters · 17 points in Scrabble
adjective pertaining to the branch of astronomy dealing with the origin and history and structure and dynamics of the universe
originEtymology tree English cosmogony Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English cosmogonic From cosmogony + -ic.
Etymology from Wiktionary, CC BY-SA 3.0