Hi Bob - this explanation from Te Ara should help. It is from the entry on the Waikato people - a Maori iwi (tribe): 'When the [Tainui] canoe arrived at Kawhia, it was tied to a pohutukawa tree named Tangi-te-korowhiti. It was finally pulled ashore at a point called Rangiahua, and is buried behind the present-day marae of Maketu, near Kawhia township. Following the Tainui’s arrival the commander, Hoturoa, established a place of learning called Te Ahurei.' Read more here Cheers Jamie Mackay