Meaning of the Sanskrit Word: ubhayesam

  ubhayeṣām—both for You and for us    SB 3.5.49
  ubhayeṣām—for both    SB 4.22.19
  ubhayeṣām—of both the demigods and the demons    SB 8.9.20

Can't find any compound Sanskrit words containing ubhayesam.