nā konā anō/tonu ...
1. so that's the reason, so that's why - an idiom used when someone has had something explained to them and they finally realise the reason. Similar to 'the penny's dropped'.
Mai rā anō, he hoa piripono rāua. Ā kāti, nā konā tonu ia i haere ai ki te whakanui i tana huritau. / They have been close friends for ages. Ah! So that's why she went to her birthday celebrations.
