Meaning of the Sanskrit Word: stutibhih

  stutibhiḥ—with prayers    Bg 11.21
  stutibhiḥ—by prayers    SB 8.7.20
  stutibhiḥ—by various prayers of glorification    SB 8.16.42
  stutibhiḥ—by chanting auspicious mantras    SB 8.16.57

Can't find any compound Sanskrit words containing stutibhih.