The name "Blaho" is a truncated version of the Old Slavic compound names such as Blaholyub, Blahomir, Blahoslav. The prepositional component of this name expresses the concept of "good." This view is shared by Bulgarians, Serbs, Croats, Czechs, and other Slavs, where its anthropo-base "blag" has been known since the Proto-Slavic era to the present day.Some believe that the name "Blaho" (more specifically, its full variant "Blahoslav") is a calque of the Latin name "Benedictus." In Ukraine, the name "Blaho" has never been popular, but the anthropo-base "blag" served as the foundation for several surnames in Transcarpathia, such as Blaha, Blahodaty, as well as the surname Blahodar in other regions.