Meaning of the Sanskrit Word: etayoh

  etayoḥ—of these two    Bg 5.1
  etayoḥ—both doorkeepers    SB 3.15.29
  etayoḥ—regarding both Jaya and Vijaya    SB 3.16.3
  etayoḥ—in them.    SB 3.26.54
  etayoḥ—in them    SB 3.26.55
  etayoḥ—in their wake    SB 3.26.60
  etayoḥ—of these two principles (always to remember Kṛṣṇa or Viṣṇu and never to forget Him)    Madhya 22.113

Can't find any compound Sanskrit words containing etayoh.