Where does “Arumugam” come from?

Arumugam (English) comes from Tamil ஆறுமுகம், from Tamil முகம், from Sanskrit मुख, from Proto-Indo-Iranian múkʰam, from Proto-Indo-Iranian múkHam.

Ancestry of “Arumugam”, step by step

StepLanguageWordMeaning
1Tamilஆறுமுகம்an epithet of the god Murugan
2Tamilமுகம்face
3Sanskritमुखmouth; face; visage
4Proto-Indo-Iranianmúkʰam—
5Proto-Indo-IranianmúkHam—
Every word from Proto-Indo-Iranian múkHam →Every word from Proto-Indo-Iranian múkʰam →Every word from Sanskrit मुख →