WooCommerce Excerpt Alot-plugin

Simple. See this source code for details:

<?php
/**
* Plugin Name: WooCommerce Excerpt Alot
* Plugin URI: http:#wiki.devliegendebrigade.nl/index.php?title=WooCommerce_Excerpt_Alot-plugin
* Description: Add the standard WooCommerce product excerpts on archive pages
* Version: 1.0
* Author: Jeroen Strompf - http:#devliegendebrigade.nl/
*
* P.s.: Do you really need function "woocommerce_product_teaser_display_excerpt()"?
* Can't you just directy reference "the_excerpt()" at the add_action-statement?
*
*/

# Create function to show the excerpt
#####################################
#
# Just a function with an arbitrary name
# It does one thing: Call function the_excerpt(), which
# outputs the excerpt/teaser/stuff
#
function woocommerce_product_teaser_display_excerpt() 
{
    the_excerpt();
}

# hook
#######################/
#
# Add an action to call the function above.
#
add_action( 'woocommerce_after_shop_loop_item_title', 'woocommerce_product_teaser_display_excerpt', 40 );     

Bronnen

• https://code.tutsplus.com/tutorials/woocommerce-adding-the-product-short-description-to-archive-pages--cms-25435