| One interpretation of the placename is that it means 'green river' as in the Welsh river named Irfon. |
| The placename may reflect worship of Thor there by Danes during the Viking Age rather than by Angles during the Roman Iron Age. |
| The change to the shorter spelling appears to have originated in the Donald Map of 1774, a document with a noticeable number of placename errors. |
| Surely a touch more imagination is available in this place to deal with the legacy of a past where we can't even agree on a placename. |
| In the meantime, wood was more likely to be seen as a word in an ancient placename than on the ground. |
| This is surprising, because North Kanem has been widely used by Azza hunters and the Batha area is used by numerous Haddad: indicated notably by the placename of Ouadi Haddad. |
