Meaning of the Sanskrit Word: saumyah

  saumyaḥ—of a grave bodily stature    SB 4.21.15
  saumyāḥ—the devotees, especially the consorts of Lord Kṛṣṇa    SB 2.4.24
  saumyāḥ—the Saumyas    SB 4.1.63

Can't find any compound Sanskrit words containing saumyah.