Meaning of the Sanskrit Word: usmanam

  uṣmāṇam—the heat of the body    SB 7.12.25
  ūṣmāṇam—the letters śa, ṣa, sa and ha    SB 3.12.47
  ūṣmāṇam—heat    SB 4.28.46

Can't find any compound Sanskrit words containing usmanam.