Hello, @Eugene,
For Product Tag Category pages, Please copy and paste the below-given CSS code to XStore >> Theme Settings >> Theme Custom CSS >> Global CSS and check back to your site after removing the browser cache.
.tax-product_tag .page-heading .woocommerce-breadcrumb a:nth-child(3) {
display: none !important;
}
.tax-product_tag .page-heading .woocommerce-breadcrumb span.delimeter:nth-child(2){
display: none !important;
}
Regards 8Themes Team.