product_cat

woocommerce product category

$tax_query = array(
	array(
		'taxonomy'         => 'product_cat',
		'terms'            => array( 'term1', 'term2' ),
		'field'            => 'name',
	),
	array(
		'taxonomy'         => 'product_tag',
		'terms'            => array( 'term3', 'term4' ),
		'field'            => 'name',
	),
);