Meaning of the Sanskrit Word: svayambhuvasya

  svayambhuvasya—of Svayambhuva    SB 3.21.1, SB 4.8.6
  svayambhuvasya—of Svayambhuva Manu    SB 3.21.2
  svayambhuvasya—of the great personality Svayambhuva Manu    SB 8.1.1

Can't find any compound Sanskrit words containing svayambhuvasya.