Where does “Valdemar” come from?

Valdemar (Portuguese) comes from German Waldemar, from Old High German waltan, from Proto-Germanic *waldan, from Proto-Germanic waldaną, from Proto-Indo-European waldʰ- — to be strong, be powerful, prevail, possess.

Ancestry of “Valdemar”, step by step

StepLanguageWordMeaning
1GermanWaldemar—
2Old High Germanwaltanto rule; rule, govern
3Proto-Germanic*waldan—
4Proto-Germanicwaldanąto rule
5Proto-Indo-Europeanwaldʰ-to be strong, be powerful, prevail, possess
Every word from Proto-Indo-European waldʰ- →Every word from Proto-Germanic waldaną →Every word from Proto-Germanic *waldan →