Add Description to Product Card

add_description_to_product_card.php

<?php
add_action('woocommerce_after_shop_loop_item_title', 'add_description_to_product_card', 3 );
function add_description_to_product_card() {
    global $product;
    $limit = 10;
    $description = $product->get_description();
    if (str_word_count($description, 0) > $limit) {
        $words = str_word_count($description, 2);
        $pos = array_keys($words);
        $excerpt = substr($description, 0, $pos[$limit]) . '...';
    } else {
        $excerpt = $description;
    }
    echo '<p class="description">'.$excerpt.'</p>';
}