Old French poeir

→ English power (derived)

→ Welsh pŵer (derived)

→ French pouvoir (mention)

→ Middle French povoir (mention)

→ Old French pot (mention)

→ Norman pouvier (mention)

→ Norman pouver (mention)

→ Norman pouveî (inherited)

→ Old Occitan poder (cognate)

→ Gallo póeir (inherited)