2. (particle) was at, were at - when used with a noun.
(Te Kākano Textbook (Ed. 2): 101-102;)
3. (particle) when, it was because, because.
(Te Māhuri Textbook (Ed. 2): 178;)
I te whakatakariri o tana wahine, ka panaia ia. / Because his wife was so angry, he was banished.