Where does “rao” come from?

rao (Translingual) comes from English Rao, from Telugu రావు, from Sanskrit राजन्, from Proto-Indo-Aryan Hrā́ȷ́ā, from Proto-Indo-Iranian Hrā́ȷ́ā, from Proto-Indo-European h₃rḗǵs, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

Ancestry of “rao”, step by step

StepLanguageWordMeaning
1EnglishRao
2TeluguరావుAn honorific title like Mr., assumed by Vyāpari...
3Sanskritराजन्a king, sovereign, prince, chief; a man of the...
4Proto-Indo-AryanHrā́ȷ́āking
5Proto-Indo-IranianHrā́ȷ́ā
6Proto-Indo-Europeanh₃rḗǵsking, ruler
7Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Indo-European h₃rḗǵsEvery word from Proto-Indo-Iranian Hrā́ȷ́ā