diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index 54ce819e323685..4d49f980a39ce9 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -84,7 +84,7 @@
 /ja/docs/API/Document/onfullscreenerror	/ja/docs/Web/API/Document/fullscreenerror_event
 /ja/docs/API/Document/onselectionchange	/ja/docs/Web/API/HTMLInputElement/selectionchange_event
 /ja/docs/API/Document/open	/ja/docs/Web/API/Document/open
-/ja/docs/API/Document/origin	/ja/docs/Web/API/origin
+/ja/docs/API/Document/origin	/ja/docs/Web/API/Window/origin
 /ja/docs/API/Document/plugins	/ja/docs/Web/API/Document/plugins
 /ja/docs/API/Document/queryCommandSupported	/ja/docs/Web/API/Document/queryCommandSupported
 /ja/docs/API/Document/querySelector	/ja/docs/Web/API/Document/querySelector
@@ -2696,7 +2696,7 @@
 /ja/docs/Web/API/Document/onoffline	/ja/docs/Web/API/Window/offline_event
 /ja/docs/Web/API/Document/ononline	/ja/docs/Web/API/Window/online_event
 /ja/docs/Web/API/Document/onselectionchange	/ja/docs/Web/API/HTMLInputElement/selectionchange_event
-/ja/docs/Web/API/Document/origin	/ja/docs/Web/API/origin
+/ja/docs/Web/API/Document/origin	/ja/docs/Web/API/Window/origin
 /ja/docs/Web/API/Document/pointercancel_event	/ja/docs/Web/API/Element/pointercancel_event
 /ja/docs/Web/API/Document/pointerdown_event	/ja/docs/Web/API/Element/pointerdown_event
 /ja/docs/Web/API/Document/pointerenter_event	/ja/docs/Web/API/Element/pointerenter_event
@@ -3214,7 +3214,7 @@
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/fetch	/ja/docs/Web/API/fetch
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/indexedDB	/ja/docs/Web/API/Window/indexedDB
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/isSecureContext	/ja/docs/Web/API/Window/isSecureContext
-/ja/docs/Web/API/WindowOrWorkerGlobalScope/origin	/ja/docs/Web/API/origin
+/ja/docs/Web/API/WindowOrWorkerGlobalScope/origin	/ja/docs/Web/API/Window/origin
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/setInterval	/ja/docs/Web/API/setInterval
 /ja/docs/Web/API/WindowOrWorkerGlobalScope/setTimeout	/ja/docs/Web/API/setTimeout
 /ja/docs/Web/API/WindowTimers	/ja/docs/Web/API/setTimeout
@@ -3360,6 +3360,7 @@
 /ja/docs/Web/API/form.target	/ja/docs/Web/API/HTMLFormElement/target
 /ja/docs/Web/API/indexedDB	/ja/docs/Web/API/Window/indexedDB
 /ja/docs/Web/API/isSecureContext	/ja/docs/Web/API/Window/isSecureContext
+/ja/docs/Web/API/origin	/ja/docs/Web/API/Window/origin
 /ja/docs/Web/API/range.intersectsNode	/ja/docs/Web/API/Range/intersectsNode
 /ja/docs/Web/API/range.setStart	/ja/docs/Web/API/Range/setStart
 /ja/docs/Web/API/tableRow.insertCell	/ja/docs/Web/API/HTMLTableRowElement/insertCell
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index fbf84e7b9778c5..57d719af289da6 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -14273,6 +14273,10 @@
     "modified": "2020-10-15T21:52:18.082Z",
     "contributors": ["mfuji09", "fscholz", "shuuji3"]
   },
+  "Web/API/Window/origin": {
+    "modified": "2020-10-15T22:08:52.985Z",
+    "contributors": ["k-kuwahara"]
+  },
   "Web/API/Window/outerHeight": {
     "modified": "2020-10-15T21:16:37.970Z",
     "contributors": [
@@ -15188,10 +15192,6 @@
       "chikoski"
     ]
   },
-  "Web/API/origin": {
-    "modified": "2020-10-15T22:08:52.985Z",
-    "contributors": ["k-kuwahara"]
-  },
   "Web/API/performance_property": {
     "modified": "2020-10-15T22:08:48.553Z",
     "contributors": ["silverskyvicto"]
diff --git a/files/ja/web/api/origin/index.md b/files/ja/web/api/window/origin/index.md
similarity index 91%
rename from files/ja/web/api/origin/index.md
rename to files/ja/web/api/window/origin/index.md
index 21e95c5783ff38..02064f7442592b 100644
--- a/files/ja/web/api/origin/index.md
+++ b/files/ja/web/api/window/origin/index.md
@@ -1,8 +1,7 @@
 ---
 title: origin
-slug: Web/API/origin
-l10n:
-  sourceCommit: 4b4638246aad5d39b9a2e5c572b179b4c39c0a84
+slug: Web/API/Window/origin
+original_slug: Web/API/origin
 ---
 
 {{APIRef()}}