WordPress at a glance
action is not described

woocommerce_shop_loop_item_title action-hook . WC 1.0

Hook: woocommerce_shop_loop_item_title.

Usage

add_action( 'woocommerce_shop_loop_item_title', 'action_function_name_8537' );
function action_function_name_8537(){
	// action...
}

Where the hook is called

In file: /templates/content-product.php
woocommerce_shop_loop_item_title
woocommerce/templates/content-product.php 49
do_action( 'woocommerce_shop_loop_item_title' );

Where in WP core the hook is used WooCommerce

woocommerce/includes/wc-template-hooks.php 98
add_action( 'woocommerce_shop_loop_item_title', 'woocommerce_template_loop_product_title', 10 );