10 letters · 14 points in Scrabble
noun the spouse of your parent by a subsequent marriage
originEtymology tree Proto-Indo-European *(s)tew- Proto-Germanic *steupa- Proto-West Germanic *steupa- Old English stēop- Middle English step- English step- English parent English stepparent From step- + parent.
Etymology from Wiktionary, CC BY-SA 3.0