inā ake anō
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'.
Uru: I tū te kēmu a Ngā Kaponga ki konei inapō. Pare: Inā ake anō i nui ai ngā tāngata i te tāone inanahi nei. / Uru: Ngā Kaponga's game was held here last night. Pare: So that's the reason there were so many people in town yesterday.