tīmatatanga
1. (noun) beginning, starting, introduction, start, commencement.
He mea tino nui rawa atu te mana o te kaupapa Karaitiana i taua takiwā, mai i te tīmatatanga tūturu o te whakapono i te tau 1827 (TTR 1996:115). / The influence of Christianity in the region was profound from the formal introduction of the faith in 1827.