Galician cerrar

← Latin sera (inherited)

← Old Portuguese serrar (mention)

← Old Portuguese çerrar (mention)

← Old Portuguese sarrar (mention)

← Old Portuguese çarrar (mention)

→ Galician cerra (back-formation)

→ Galician zarro (mention)

→ Galician zarra (back-formation)

→ Galician cerrume (suffix)

→ Portuguese cerrar (cognate)