omaka

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

om'aáka

vi. grow up rapidly.

n. rapid growth.

omaka

a. growing quickly.
rapid growth.

v. to throw with force, to go quickly.

vc. ka-o maka: to cause to go quickly, to grow rapidly, to throw with force.