Meaning of the Sanskrit Word: pranayama

  prāṇāyāma—trance induced by stopping all breathing    Bg 4.29
  prāṇāyāma—practice by breathing exercise    SB 4.1.21
  prāṇāyāma—by the practice of regulating the airs within the body    SB 5.20.27

Can't find any compound Sanskrit words containing pranayama.