Ataahua writes: Here is a copy of the Maori text in the end-credits of ROTK, with a translation provided by someone who is fluent in the Maori language. He said it was difficult to translate as the passage included metaphors which had to be interpreted, but once he knew it had to do with Tolkiens Middle-earth the translation came easily:
Let us dedicate our memories to the spirits of the Eldar who came to us from the Ocean that lies to the West.