Meaning of the Sanskrit Word: mahatmanah

  mahātmānaḥ—the great souls    Bg 8.15, Bg 9.13
  mahātmanaḥ—of the great Lord.    Bg 11.12
  mahātmanaḥ—two great souls    Bg 18.74
  mahātmanaḥ—of the Mahā-Viṣṇu.    SB 3.11.42
  mahātmanaḥ—the great soul.    SB 3.12.54
  mahātmanaḥ—great soul    SB 4.13.21
  mahātmanaḥ—to all of those great souls    SB 9.4.4-5

Can't find any compound Sanskrit words containing mahatmanah.