avatirnasya
avatīrṇasya — who appeared as an incarnation; SB 10.1.2
hita-avatīrṇasya — who have descended for the benefit of all living entities; SB 10.14.7
avatīrṇasya — who has descended; SB 11.6.25
hita-avatīrṇasya — who have descended for the benefit of all living entities; CC Madhya 21.11