Drupal 8: Get the raw taxonomy term name.

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}

/**
 * Implements template_preprocess_taxonomy_term().
 */
function THEME_preprocess_taxonomy_term(&$variables) {
  // Add the term name as a variable to use as a class in the twig file.
  $variables['term_name'] = $variables['term']->label();
}