Meaning of the Sanskrit Word: vibhisanah

  vibhīṣaṇaḥ—Vibhīṣaṇa.    SB 4.1.37
  vibhīṣaṇaḥ—Vibhīṣaṇa, the brother of Rāvaṇa and devotee of Lord Rāmacandra    SB 9.10.29
  vibhīṣaṇaḥ—the brother of Rāvaṇa    SB 9.10.42-43

Can't find any compound Sanskrit words containing vibhisanah.