In Gbaya, the notion of trimming the hair evenly around the head in Ezekiel 44:20 is emphasized with yiɗiɗi, an ideophone that describes a state of evenness, as of height, or equality, sameness of length or of circumference.
Ideophones are a class of sound symbolic words expressing human sensation that are used as literary devices in many African languages. (Source: Philip Noss)