unimane

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

únim'aane

n. old man, elder.

a. old, as a man.

unimane

n. an elderly respectable man, an old man, personage of rank or title.

vc. ka-unimanea: to treat as..., to respect as...