Meaning of the Sanskrit Word: mangalaya

  maṅgalāya—for the sake of all prosperity    SB 3.9.4, Antya 5.124-125
  maṅgalāya—for all good    SB 1.14.35-36
  maṅgalāya—for the benefit    Madhya 25.38

Can't find any compound Sanskrit words containing mangalaya.