Meaning of the Sanskrit Word: mahatma

  mahātmā—great soul    Bg 7.19
  mahātmā—the great one.    Bg 11.50
  mahātmā—the virāṭ-puruṣa    SB 2.1.37
  mahātmā—the Lord in the form of the great sage Paraśurāma    SB 2.7.22
  mahātmā—the Supersoul.    SB 6.9.26-27
  mahātmā—the great soul    SB 8.15.3

Can't find any compound Sanskrit words containing mahatma.