7 letters · 20 points in Scrabble
noun Chinese game played by 4 people with 144 tiles
originFrom Mandarin 麻將/麻将 (májiàng), derived from 麻雀 (máquè, “sparrow”) with a Wu diminutive suffix 兒/儿 /ŋ̍/.
Etymology from Wiktionary, CC BY-SA 3.0