Where does “առ-” come from?

առ- (Armenian) comes from Old Armenian առ, from Old Armenian առնում, from Proto-Indo-European h₂r-nu-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

առ- (Armenian): toward, to, on, ad-

Definitions

toward, to, on, ad-

Ancestry of “առ-”, step by step

Step	Language	Word	Meaning
1	Old Armenian	առ	because of, due to; near, at; to
2	Old Armenian	առնում	to receive, to take, to accept, to admit; to...
3	Proto-Indo-European	h₂r-nu-	—
4	Proto-Indo-European	h₂er-	to fit, to fix, to put together

Words derived from “առ-”

առնմանություն
առցանց

Every word from Proto-Indo-European h₂er- →Every word from Proto-Indo-European h₂r-nu- →Every word from Old Armenian առնում →