βαγοπουρο (Bactrian) comes from Bactrian βαγο, from Proto-Iranian bagáh, from Proto-Indo-Iranian bʰagás, from Proto-Indo-European bʰh₂g-ó-s, from Proto-Indo-European bʰeh₂g- — to divide, distribute, allot.
Ancestry of “βαγοπουρο”, step by step
βαγοπουρο traces back through two separate lines of ancestry.