How to get parent name from its child? - php

Question

I am going to build a dynamic product category with their subs for my final year project. I tried the tree way but somehow it make me confused so i decided to make it as simple. I want to display Clothe's parent name.I want to display it like this
Can i do it so ?
Here is my PHP code
<form method="post" action="product_category_add_exec.php" enctype="multipart/form-data">
<div class="form-group">
<label for="recipient-level" class="control-label"> Parent Category</label>
<select class="form-control" name="admin_lid" required="">
<option></option>
<?php
$sql_pcat = "SELECT * FROM product_category";
$select_pcat = mysqli_query($db,$sql_pcat) or die (mysqli_error().$sql_pcat);
$x =1;
while($list_pcat = mysqli_fetch_array($select_pcat))
{
$product_cat_id = $list_pcat['product_cat_id'];
$parent_id = $list_pcat['parent_id'];
$product_cat_name = $list_pcat['product_cat_name'];
?>
<?php
if ($parent_id == 0)
{
?>
<option value = "<?php echo $product_cat_id;?>"><?php echo $product_cat_name; ?></option>
<?php
} else
{
$sql_cat = "SELECT * FROM product_category WHERE parent_id= $parent_id ORDER BY product_cat_name ASC";
$select_cat = mysqli_query($db,$sql_cat) or die (mysqli_error().$sql_cat);
$list_cat = mysqli_fetch_array($select_cat);
$product_cat_id = $list_cat['product_cat_id'];
$parent_id = $list_cat['parent_id'];
$product_cat_name = $list_cat['product_cat_name'];
?>
<option value = "<?php echo $parent_id;?>">--<?php echo $parent_id;?><?php echo $product_cat_name; ?></option>
<?php
}
?>
<?php
$x++;
}
?>
</select>
</div>
<div class="form-group">
<label for="recipient-category" class="control-label">Product Name </label>
<input type="text" class="form-control" id="recipient-category" name="product_cat_name">
</div>
</div>
<div class="modal-footer">
<button type="submit" class="btn btn-info">Add</button>
<button type ="reset" class ="btn btn-danger">Reset</button>
</div>
</form>
This is my database table
I want to make it appear like this