FromMiddle Welshkethr, fromProto-Brythonic*keθr,*kentr, fromLatincentrum(“centre”). CompareBretonkentr.
| radical | soft | nasal | aspirate |
|---|---|---|---|
| cethr | gethr | nghethr | chethr |
Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.