Old Tamil
Etymology 1
From Proto-Dravidian *yāṯu (“river”).
Noun
𑀆𑀶𑀼 (āṟu)
- path
- river
Descendants
- Tamil: ஆறு (āṟu)
- Malayalam: ആറ് (āṟŭ)
Etymology 2
Inherited from Proto-Dravidian *cāṯu (“six”).
Numeral
𑀆𑀶𑀼 (āṟu)
- six
Descendants
- Tamil: ஆறு (āṟu)
- Malayalam: ആറ് (āṟŭ)