Old Armenian ըմբոստ

← Proto-Indo-European (inherited)

← Proto-Indo-European *bʰos- (mention)

← Proto-Slavic *bystrъ (mention)

← Old Armenian ընդոստ (mention)

← Old Armenian ընդ (mention)

← Old Armenian ոստնում (mention)

← Old Armenian (mention)

← Old Armenian ընդ (affix)

← Old Armenian *բոստ (affix)

→ Armenian ըմբոստ (learned borrowing)