Meaning of the Sanskrit Word: dyuman

  dyuman—Dyuman    SB 4.1.41, SB 9.17.5
  dyuman—O Lord, who appear exactly like the sun, illuminating the darkness of this world of ignorance    SB 10.2.31
  dyuman—Lord Brahma    SB 4.9.14

Can't find any compound Sanskrit words containing dyuman.