An Etymological Dictionary of Astronomy and Astrophysics

A prefix indicating “color, colored.” Before a vowel: chrom-.

Etymology (EN): Combining form from Gk. chroma, khroma “color.”

Etymology (PE): Rang, → color; fâm “color,” probably related to bâm “light; morning light; splendor” (bâmdâd “morning,; splendor, light”); Mid.Pers. bâm “brillance, glory, splendor,” bâmig “brilliant, glorious;” Av. bā- “to shine, appear, seem,” (with ā-) auuā- “to have the appearance of, be like,” (with fra-) frauuā- “to shine,” (with ni-) -niuuā- “to radiate downward,” (with ui-) viuuā- “to shine forth;” cf. Gk. phaos, phos “light,” phainein “to show, to bring to light;”
Skt. bhā- “to shine,”
bhati “shines, glitters,” O.Ir. ban “white, light, ray of light.”