Meaning of the Sanskrit Word: paramesthinam

  parameṣṭhinam—Brahmā, the head of the universe    SB 2.3.2-7
  parameṣṭhinam—unto the supreme leader, Brahmā    SB 2.9.38
  parameṣṭhinam—the Supreme Personality of Godhead    SB 3.32.22
  parameṣṭhinam—to Lord Brahmā    SB 7.10.32

Can't find any compound Sanskrit words containing paramesthinam.