etayoh—of these two principles (always to remember Krsna or Visnu and never to forget Him) Madhya 22.113
etayoh—both doorkeepers SB 3.15.29
etayoh—in them. SB 3.26.54
etayoh—in them SB 3.26.55
etayoh—in their wake SB 3.26.60
etayoh—of these two Bg 5.1
Can't find any compound Sanskrit words containing etayoh.