Where does “ակնաղբյուր” come from?

ակնաղբյուր (Armenian) comes from Old Armenian ակնաղբիւր, from Old Armenian աղբիւր, from Proto-Indo-European bʰréh₁wr̥, from Proto-Indo-European bʰrewh₁-, from Proto-Indo-European bʰer- — to bear, carry.

ակնաղբյուր (Armenian): spring, source

Definitions

spring, source

Ancestry of “ակնաղբյուր”, step by step

Step	Language	Word	Meaning
1	Old Armenian	ակնաղբիւր	Synonym of աղբիւրակն
2	Old Armenian	աղբիւր	fountain, spring; origin, source
3	Proto-Indo-European	bʰréh₁wr̥	well, spring, source
4	Proto-Indo-European	bʰrewh₁-	to boil; to brew
5	Proto-Indo-European	bʰer-	to bear, carry

Every word from Proto-Indo-European bʰer- →Every word from Proto-Indo-European bʰrewh₁- →Every word from Proto-Indo-European bʰréh₁wr̥ →