// Rename "home" in breadcrumb
add_filter( 'woocommerce_breadcrumb_defaults', 'wcc_change_breadcrumb_home_text' );
function wcc_change_breadcrumb_home_text( $defaults ) {
// Change the breadcrumb home text from 'Home' to 'Shop'
$defaults['home'] = 'Shop';
return $defaults;
}