See also: Appendix:Variations of "oku" Esimbi Noun óku plural of úku References Brad Koenig, Arnie Coleman, Karen Coleman, Phonology Sketch of Esimbi (2015) Rachel Walker, Esimbi Vowel Height Shift: Implications for Faith and Markedness Icelandic Verb óku third-person plural active past indicative of aka Old Norse Verb óku third-person plural past active indicative of akaWikiwand - on Seamless Wikipedia browsing. On steroids.