Meaning of the Sanskrit Word: viduram

  viduram—unto Vidura    SB 3.2.6, SB 3.13.5
  viduram—to Vidura    SB 3.25.4, Antya 19.70
  viduram—a son named Vidura    SB 9.22.25
  viduram—far off    SB 8.12.23

Can't find any compound Sanskrit words containing viduram.