In Gbaya, the notion of the light curtains is emphasized in Greek Esther 1:23 with yɛm-yɛm, an ideophone to describe something light. The “purple fabric” is emphasized with the ideophone zóŋ-zóŋ that refers to a bright red, scarlet color.
Ideophones are a class of sound symbolic words expressing human sensation that are used as literary devices in many African languages. (Source: Philip Noss)