moanriki

Bingham: Hiram Bingham, A Gilbertese-English Dictionary (1908, 1953). American Board of Commissioners for Foreign Missions.
Sabatier: Ernest Sabatier, M.S.C., Dictionnaire Gilbertin-Français (1954), translated by Sr. M. Oliva as Gilbertese-English Dictionary (1971). South Pacific Commission Publications Bureau.

Bingham

móanríki

vi. begin to sprout or grow.

n. beginning of existence, the first to be created.

moanriki

n. the first ancestor, the first man, the first born, the beginning of existence.