tau by Cook Islands Maori Database | Jun 8, 2014 | Pukapuka | 0 comments v. to mumble, mutter. Ko tau wua te povī kia ana lāi. The old man is mumbling to himself. Ko tau wua tona ngutu ke talatala. He just mumbles when he speaks. 18.104.22.168.2. Speak quietly Related to tau Submit a Comment Cancel replyYou must be logged in to post a comment.