Entry record from Mead (1998a): Proto-Bungku-Tolaki
Page number: 458
*o-o(m)paQ
• four’ (independent numeral).
Note: All Eastern isolects and PAD: opaa; MRA, TOM: oompa; LAL, ASE: omba; WAR, WIW, TOL, MEK: o'omba; KOD, LAI, RAH: o'oba. [PAN *Sa-Sepat]