9 letters · 13 points in Scrabble
noun an event that is a beginning; a first part or stage of subsequent events
originLate Middle English, borrowed from Latin inceptiō, from inceptus, perfect passive participle of incipiō (“to begin”). The layering sense derives from the 2010 science fiction film Inception, in which a team of people infiltrate someone’s subconscious mind, proceeding through several layers of dreams with the goal of causing someone to incept an idea.
Etymology from Wiktionary, CC BY-SA 3.0