Where does “անդրջրհեղեղյան” come from?

անդրջրհեղեղյան (Armenian) comes from Armenian անդր-, from Old Armenian անդր, from Old Armenian անդ, from Old Armenian նո-, from Proto-Indo-European h₁nós.

անդրջրհեղեղյան (Armenian): antediluvian pertaining or belonging to the time prior to Noah's Flood

Definitions

antediluvian pertaining or belonging to the time prior to Noah's Flood

Ancestry of “անդրջրհեղեղյան”, step by step

Step	Language	Word	Meaning
1	Armenian	անդր-	trans-, beyond; ante-
2	Old Armenian	անդր	there, yonder, at that place; thither, to that...
3	Old Armenian	անդ	there, yonder, in that place; at that time, then;...
4	Old Armenian	նո-	that
5	Proto-Indo-European	h₁nós	—

Every word from Proto-Indo-European h₁nós →Every word from Old Armenian նո- →Every word from Old Armenian անդ →