ọkà noun /ɔ̄.kà/
ẹkà (alternative, Ekiti)
Definitions
  1. millet, sorghum
  2. corn, maize, grain
Etymology
Proposed to be derived from Proto-Yoruboid *ɔ́-kà (“millet, sorghum”), from Proto-Volta-Niger *kà, ultimately reconstructed to Proto-Volta-Congo *-ka. Cognate with Igbo ọkà (“corn”), Yekhee ọ̀ka (“corn”), Urhobo ọ́ka (“corn”), Igala ọ́kà (“millet”), and Edo ọ́ka (“corn”), Ayere ɛkà
Used in
Source: Wiktionary · etymology 1, where this word is spelled “ọka”. Reference: en-ọka-yo-noun-ZgmENsRz