m 3 u 1 l 1 t 1 i 1 b 3 i 1 l 1 l 1 i 1 o 1 n 1 a 1 i 1 r 1 e 1
16 letters · 20 points in Scrabble
Meaning
originEtymology tree Proto-Indo-European *mel-der. Proto-Indo-European *ml̥tós? Proto-Italic *moltos Latin multus Latin multīder. Middle English multi- English multi- English billion English -aire English billionaire English multibillionaire From multi- + billionaire.
Etymology from Wiktionary, CC BY-SA 3.0