extjs-gpl/classic/locale/overrides/es/grid/PropertyColumnModel.js

GPL licensed version of Sencha Ext JS

Ext.define("Ext.locale.es.grid.PropertyColumnModel", {
    override: "Ext.grid.PropertyColumnModel",
    nameText: "Nombre",
    valueText: "Valor",
    dateFormat: "j/m/Y"
});