10 letters · 14 points in Scrabble
adjective in fortunate circumstances financially; moderately rich
adjective very lively and profitable
adjective marked by peace and prosperity
originFrom Middle French prospereus, from Old French prosperer, from Latin prosperō (“to cause to succeed”), from Old Latin pro spere (“according to expectation”), from pro (“for”) + spes (“hope”).
Etymology from Wiktionary, CC BY-SA 3.0