 Containing the elements *"boudo-" 'victory' (Welsh "budd" 'gain, benefit') + *"briga", 'hill'.From Celtic *"duro-" 'fort'

From Celtic *"(φ)erkunos" 'oak' or divine name Perkwunos + Latin "silva" 'forest'


From Celtic *"mogunt-", 'mighty, great, powerful', used as a divine name (see Mogons)

From Celtic *"mago-", 'plain, field'

From Celtic *"nowijo-" 'new' (Welsh "newydd") + *"magos" 'field, plain'

Second element is from Celtic *"magos" 'field, plain'.The first may be a variant of Celtic "rigi-"' 'king, chief of *touta'

Some have seen this toponym as a hybrid form comprising a Celtic form and a Germanic suffix -"ingen".