Where does “ஆறுமுகன்” come from?

ஆறுமுகன் (Tamil) comes from Tamil ஆறு, from Old Tamil 𑀆𑀶𑀼, from Proto-Dravidian *cāṯu — six.

Ancestry of “ஆறுமுகன்”, step by step

ஆறுமுகன் traces back through two separate lines of ancestry.

via Tamil ஆறு

StepLanguageWordMeaning
1Tamilஆறுsix (numeral:௬)
2Old Tamil𑀆𑀶𑀼path
3Proto-Dravidian*cāṯusix

via Tamil முக

StepLanguageWordMeaning
1Tamilமுகto draw, as water; to bale
Every word from Proto-Dravidian *cāṯu