add_filter( 'woocommerce_breadcrumb_defaults', 'wcc_change_breadcrumb_home_text' );

function wcc_change_breadcrumb_home_text( $defaults ) {

    $defaults['before'] = '<span class="nmr-crumb">';

    $defaults['after'] = '</span>';

    $defaults['home'] = ' ';

    return $defaults;

}

.woocommerce-breadcrumb .nmr-crumb:first-child a {

    text-decoration: none;

}

.woocommerce-breadcrumb .nmr-crumb:first-child a::before {

    font-family: FontAwesome;

    content: '\f015';

}