Used across the Greater Malay Archipelago, it is derived from the Tamil 'Anna' or 'Annan', meaning brother, as in the case of former Tamil Nadu Chief Minister 'C N Annadurai'. Hence this friendly term is not derogatory, as is sometimes wrongly claimed.
2) Ah Chong: Ah Neh, how are you lah?
Aravanan: I am fine!
3) "அண்ணன் aṇṇaṉ, n. < id. T. anna, K. aṇṇa, M. aṇṇan, Tu. aṇṇe. Elder brother; தமையன். (பிங்.)" - 'Tamil Lexicon'
Madras: University of Madras, 1924-1936: 60.