Where does “Անդրբայկալ” come from?

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

Անդրբայկալ (Armenian): Transbaikal

Definitions

Transbaikal

Ancestry of “Անդրբայկալ”, 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 →