11 letters · 14 points in Scrabble
originEtymology tree Ancient Greek πέτρᾱ (pétrā)bor. Latin petrader. English petro- Proto-Germanic *dalą Proto-West Germanic *dal Old High German tal Middle High German tal German Tal German Talerder. Middle Low German dālerbor. Dutch dalerbor. English dollar English petrodollar From petro- (prefix meaning ‘petroleum; oil export’) + dollar, possibly modelled after Eurodollar.
Etymology from Wiktionary, CC BY-SA 3.0