diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index b32c16d3cf..dd31f378e6 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -1702,8 +1702,8 @@ class InventorySerializer(LabelsListMixin, BaseSerializerWithVariables):
         if obj.organization:
             res['organization'] = self.reverse('api:organization_detail', kwargs={'pk': obj.organization.pk})
         if obj.kind == 'constructed':
-            res['source_inventories'] = self.reverse('api:inventory_source_inventories', kwargs={'pk': obj.pk})
-            res['url'] = self.reverse('api:constructed_inventory_detail', kwargs={'pk': obj.pk})
+            res['input_inventories'] = self.reverse('api:inventory_input_inventories', kwargs={'pk': obj.pk})
+            res['constructed_url'] = self.reverse('api:constructed_inventory_detail', kwargs={'pk': obj.pk})
         return res
 
     def to_representation(self, obj):
@@ -1883,8 +1883,8 @@ class HostSerializer(BaseSerializerWithVariables):
                 ansible_facts=self.reverse('api:host_ansible_facts_detail', kwargs={'pk': obj.pk}),
             )
         )
-        if obj.instance_id and obj.pk != obj.instance_id:
-            res['original_host'] = self.reverse('api:host_detail', kwargs={'pk': obj.instance_id }),
+        if obj.inventory.kind == 'constructed':
+            res['original_host'] = self.reverse('api:host_detail', kwargs={'pk': obj.instance_id })
         if obj.inventory:
             res['inventory'] = self.reverse('api:inventory_detail', kwargs={'pk': obj.inventory.pk})
         if obj.last_job:
diff --git a/awx/api/urls/inventory.py b/awx/api/urls/inventory.py
index 3be18d5249..b83b9b7208 100644
--- a/awx/api/urls/inventory.py
+++ b/awx/api/urls/inventory.py
@@ -9,7 +9,7 @@ from awx.api.views.inventory import (
     ConstructedInventoryDetail,
     ConstructedInventoryList,
     InventoryActivityStreamList,
-    InventorySourceInventoriesList,
+    InventoryInputInventoriesList,
     InventoryJobTemplateList,
     InventoryAccessList,
     InventoryObjectRolesList,
@@ -40,7 +40,7 @@ urls = [
     re_path(r'^(?P<pk>[0-9]+)/script/$', InventoryScriptView.as_view(), name='inventory_script_view'),
     re_path(r'^(?P<pk>[0-9]+)/tree/$', InventoryTreeView.as_view(), name='inventory_tree_view'),
     re_path(r'^(?P<pk>[0-9]+)/inventory_sources/$', InventoryInventorySourcesList.as_view(), name='inventory_inventory_sources_list'),
-    re_path(r'^(?P<pk>[0-9]+)/source_inventories/$', InventorySourceInventoriesList.as_view(), name='inventory_source_inventories'),
+    re_path(r'^(?P<pk>[0-9]+)/input_inventories/$', InventoryInputInventoriesList.as_view(), name='inventory_input_inventories'),
     re_path(r'^(?P<pk>[0-9]+)/update_inventory_sources/$', InventoryInventorySourcesUpdate.as_view(), name='inventory_inventory_sources_update'),
     re_path(r'^(?P<pk>[0-9]+)/activity_stream/$', InventoryActivityStreamList.as_view(), name='inventory_activity_stream_list'),
     re_path(r'^(?P<pk>[0-9]+)/job_templates/$', InventoryJobTemplateList.as_view(), name='inventory_job_template_list'),
diff --git a/awx/api/views/inventory.py b/awx/api/views/inventory.py
index f18bc29fe2..64550e11c5 100644
--- a/awx/api/views/inventory.py
+++ b/awx/api/views/inventory.py
@@ -109,11 +109,11 @@ class ConstructedInventoryList(InventoryList):
         return r.filter(kind='constructed')
 
 
-class InventorySourceInventoriesList(SubListAttachDetachAPIView):
+class InventoryInputInventoriesList(SubListAttachDetachAPIView):
     model = Inventory
     serializer_class = InventorySerializer
     parent_model = Inventory
-    relationship = 'source_inventories'
+    relationship = 'input_inventories'
 
 
 class InventoryActivityStreamList(SubListAPIView):
diff --git a/awx/main/migrations/0175_constructed_inventory.py b/awx/main/migrations/0175_constructed_inventory.py
index 5682d9c3c7..2bc3864ea5 100644
--- a/awx/main/migrations/0175_constructed_inventory.py
+++ b/awx/main/migrations/0175_constructed_inventory.py
@@ -11,7 +11,7 @@ class Migration(migrations.Migration):
     operations = [
         migrations.AddField(
             model_name='inventory',
-            name='source_inventories',
+            name='input_inventories',
             field=models.ManyToManyField(
                 blank=True,
                 help_text='Only valid for constructed inventories, this links to the inventories that will be used.',
diff --git a/awx/main/models/inventory.py b/awx/main/models/inventory.py
index 4d5ff5533f..8bb882f344 100644
--- a/awx/main/models/inventory.py
+++ b/awx/main/models/inventory.py
@@ -140,7 +140,7 @@ class Inventory(CommonModelNameNotUnique, ResourceMixin, RelatedJobsMixin):
         default=None,
         help_text=_('Filter that will be applied to the hosts of this inventory.'),
     )
-    source_inventories = models.ManyToManyField(
+    input_inventories = models.ManyToManyField(
         'Inventory',
         blank=True,
         related_name='destination_inventories',
diff --git a/awx/main/tasks/jobs.py b/awx/main/tasks/jobs.py
index 6743105512..82bb44dfe9 100644
--- a/awx/main/tasks/jobs.py
+++ b/awx/main/tasks/jobs.py
@@ -1524,10 +1524,10 @@ class RunInventoryUpdate(SourceControlMixin, BaseTask):
         # special case for constructed inventories, we pass source inventories from database
         # these must come in order, and in order _before_ the constructed inventory itself
         if inventory_update.inventory.kind == 'constructed':
-            for source_inventory in inventory_update.inventory.source_inventories.all():
+            for input_inventory in inventory_update.inventory.input_inventories.all():
                 args.append('-i')
                 script_params = dict(hostvars=True, towervars=True)
-                source_inv_path = self.write_inventory_file(source_inventory, private_data_dir, f'hosts_{source_inventory.id}', script_params)
+                source_inv_path = self.write_inventory_file(input_inventory, private_data_dir, f'hosts_{input_inventory.id}', script_params)
                 args.append(to_container_path(source_inv_path, private_data_dir))
 
         # Add arguments for the source inventory file/script/thing