Meaning of the Sanskrit Word: mahatma

  mahatma—great soul    Bg 7.19
  mahatma—the great one.    Bg 11.50
  mahatma—the virat-purusa    SB 2.1.37
  mahatma—the Lord in the form of the great sage Parasurama    SB 2.7.22
  mahatma—the Supersoul.    SB 6.9.26-27
  mahatma—the great soul    SB 8.15.3

Can't find any compound Sanskrit words containing mahatma.