Latin operārius

→ Asturian obreru (derived)

→ Catalan obrer (inherited)

→ Spanish obrero (derived)

→ Spanish operario (borrowed)

→ French ouvrier (inherited)

→ Old French ovrier (mention)

→ Galician obreiro (derived)

→ Italian operaio (inherited)

→ Italian -aio (cognate)

→ Norman ouvriyi (mention)

→ Portuguese obreiro (derived)

→ Portuguese operário (mention)