Proto-Celtic *kʷezdis

→ Catalan peça (derived)

→ Welsh beth (inherited)

→ Welsh peth (inherited(cy/kw))

→ Welsh peth (inherited)

→ Welsh pyth (inherited(cy/kw))

→ Danish pjece (derived)

→ Middle English pece (derived)

→ Spanish pieza (derived)

→ French pièce (derived)

→ Irish píosa (derived)

→ Scottish Gaelic pìos (derived)

→ Northern Kurdish piyes (derived)

→ Occitan pichon (derived)

→ Portuguese peça (derived)

→ Russian пьеса (derived)

→ Swedish pjäs (derived)