Welsh edit

Etymology edit

cylch (circle) +‎ ffordd (road).

Noun edit

cylchffordd f (plural cylchffyrdd)

  1. ring road

Mutation edit

Welsh mutation
radical soft nasal aspirate
cylchffordd gylchffordd nghylchffordd chylchffordd
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.