Renaming WooCommerce Order Status

rename-order-status.php

<?php
add_filter( 'wc_order_statuses', 'wc_renaming_order_status' );

/*
* Rename WooCommerce Order Status
*/
function wc_renaming_order_status( $order_statuses ) {
	
	foreach ( $order_statuses as $key => $status ) {
		$new_order_statuses[ $key ] = $status;
		if ( 'wc-partial-shipped' === $key ) {
			$order_statuses['wc-partial-shipped'] = esc_html__( 'Packed','text-domain' );
		}
	}		
	return $order_statuses;
}
?>