"PIt" . "122140" . _:B88e148416ffbc4f956d2f02dab64c5f8 . "Etymology for: rōbur (la1403)" . "*rouþos [n.]" . "*rouþos" . . _:B88e148416ffbc4f956d2f02dab64c5f8 . _:B88e148416ffbc4f956d2f02dab64c5f8 "*rouþos" .