ahiya

Etymology
From.

Noun

 * 1) the eldest brother
 * 2)  an elder brother
 * 3)  a young male senior

Usage notes
In the Philippines, the term is primarily used and recognized within Chinese Filipino families as the predominant term to refer to and address the eldest brother in the family, and by extension, any elder brother in the family or even any older young male that the speaker is familiar with.

Etymology
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Noun

 * 1) elder brother; big brother