Ronaldo
[rəˈnɑːldoʊ]Meaning
Portuguese form of Ronald, from Old Norse Rǫgnvaldr, "advice" and "power"
Background Story
Ronaldo is the Portuguese form of the English name Ronald, borrowed from English and anglicised from a Scottish Gaelic form of the Old Norse Rǫgnvaldr. That Old Norse name is formed from rǫgn, "advice", and valdr, "power", and later partly merged with the Continental Germanic equivalent Reynold. Ronaldo became a common name throughout the Portuguese-speaking world and is also prevalent in other Romance countries.
Variations
Ronaldo, Ronny, Ronald
Related Names
Radimir
Slavic name, recorded as a Bulgarian masculine given name in a user-submitted entry
Riordan
From irish Ó Ríordáin, from rí "king" and bard "poet": royal poet
Arnou
A diminutive form of the name Arnold, meaning eagle ruler.
Caradog
From the Old Welsh name Caratauc, a Welsh form of Caratācos
Casimir
English form of the Polish name Kazimierz, from Slavic elements meaning "to destroy" and "peace, world".
Cedrick
A masculine given name in English, also written Cédrick
Enrique
Spanish form of Heinrich, from Old High German Haimirich: home + ruler
Eric
From the Old Norse Eiríkr, "ever ruler" or "sole ruler"
Erik
Scandinavian form of Eric, from Old Norse Eiríkr, usually taken to mean "sole ruler" or "eternal ruler".