Vi > References for ‘Vibgyor’
See also: Vibhága · vibhágashah · vibhágena · Vibhájanii · vibhakti
[6] Avarńa. Varńa [...] colours come from sunlight – VIBGYOR, i.e., violet, indigo, blue, green, [...] you are also aware of its colour.
[24] There are so many celestial bodies, [...] seven colours of the spectrum (VIBGYOR – violet, indigo, blue, [...] sun. Each has an acoustic root.