8 letters · 10 points in Scrabble
noun a male grandchild
originEtymology tree English grand- Proto-Indo-European *sew-? Proto-Indo-European *sewH- Proto-Indo-European *suHnús Proto-Germanic *sunuz Proto-West Germanic *sunu Old English sunu Middle English sone English son English grandson From grand- + son.
Etymology from Wiktionary, CC BY-SA 3.0