WooCommerce Show Single Variations - Show Parent Product Description in Variations

gistfile1.txt

/**
 * Show parent's short description for variations.
 * 
 * @param string $excerpt
 * @param $post
 *
 * @return string
 */
function iconic_get_the_excerpt( $excerpt, $post ) {
        if ( 'product_variation' !== $post->post_type ) {
                return $excerpt;
        }

        $parent_id = $post->post_parent;

        return get_the_excerpt( $parent_id );
}

add_filter( 'get_the_excerpt', 'iconic_get_the_excerpt', 10, 2 );