From Wiktionary, the free dictionary
From আপনা- (apona-) + -অৰ (-oro).
আপনাৰ (aponaro)
- genitive of আপন (apono), own
14th century, Madhav Kandali,
Saptakanda Ramayana Lanka Kanda:
- শ্ৰীৰাম লক্ষ্মণে হাতে ধনু শৰ লৈলা ।
আগবাঢ়ি আপনাৰ সেনা থিৰ কৈলা ॥- śrīramo lokṣmoṇe hate dhonu śoro loila ,
agobaṛhi aponaro sena thiro koila . - Shri Rama and Lakshmana took bows and arrows in hands,
going forward they erected their army.