ainiku

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

áiniku

n. ocean side of a coral island.

ainiku

n. ocean side of coral islands (opposite side to lagoon, generally the east side).

adv. i ainiku: on the east side.