Meaning of the Sanskrit Word: sadhubhih

  sadhubhih—by great saintly persons    SB 6.17.14
  sadhubhih—by the saintly persons    SB 7.8.53
  sadhubhih—the devotees    SB 6.16.34
  sadhubhih—by pure devotees, completely free from all material desires    SB 9.4.63
  sadhubhih—with the saintly persons    SB 9.4.64

Can't find any compound Sanskrit words containing sadhubhih.