Manx bea

← Proto-Celtic *biwotūts (inherited)

← Proto-Celtic *biwos (mention)

← Proto-Indo-European *gʷih₃wós (derived)

← Proto-Indo-European *gʷeih₃w- (mention)

← Middle Irish betha (inherited)

← Old Irish bethu (inherited)

→ Manx beays (suffix)