get_edit_tag_link

function get_edit_tag_link( $tag_id, $taxonomy = 'post_tag' ) {
	/**
	 * Filters the edit link for a tag (or term in another taxonomy).
	 *
	 * @since 2.7.0
	 *
	 * @param string $link The term edit link.
	 */
	return apply_filters( 'get_edit_tag_link', get_edit_term_link( $tag_id, $taxonomy ) );
}