mēnā
1. if - variation of mehemea. Often implies the reverse of what is stated.
(Te Pihinga Textbook (Ed. 2): 66-67;)
Heoti, mēnā ki te whakaaro o te rangatahi i ētehi wā he wahine pākaha a Te Puea, i mōhio anō hoki rātou ki te hōhonu o tōna pūaroha ki a rātou katoa (TTR 1996:52). / However, if the young people in these times thought that Te Puea was a strict woman, they also knew the depth of her concern for them all.