diff --git a/packages/survey-core/src/question_matrixdynamic.ts b/packages/survey-core/src/question_matrixdynamic.ts
index 7e341c2c70..05dd44d7ac 100644
--- a/packages/survey-core/src/question_matrixdynamic.ts
+++ b/packages/survey-core/src/question_matrixdynamic.ts
@@ -149,7 +149,7 @@ export class QuestionMatrixDynamicModel extends QuestionMatrixDropdownModelBase
   /**
    * If it is not empty, then this value is set to every new row, including rows created initially, unless the defaultValue is not empty
    * @see defaultValue
-   * @see defaultValueFromLastRow
+   * @see copyDefaultValueFromLastEntry
    */
   public get defaultRowValue(): any {
     return this.getPropertyValue("defaultRowValue");
@@ -163,11 +163,21 @@ export class QuestionMatrixDynamicModel extends QuestionMatrixDropdownModelBase
    * If you also specify `defaultValue`, it will be merged with the copied values.
    * @see defaultValue
    */
+  public get copyDefaultValueFromLastEntry(): boolean {
+    return this.getPropertyValue("copyDefaultValueFromLastEntry");
+  }
+  public set copyDefaultValueFromLastEntry(val: boolean) {
+    this.setPropertyValue("copyDefaultValueFromLastEntry", val);
+  }
+  /**
+   * Obsolete. Use the [`copyDefaultValueFromLastEntry`](https://surveyjs.io/form-library/documentation/api-reference/dynamic-matrix-table-question-model#copyDefaultValueFromLastEntry) property instead.
+   * @deprecated
+   */
   public get defaultValueFromLastRow(): boolean {
-    return this.getPropertyValue("defaultValueFromLastRow");
+    return this.copyDefaultValueFromLastEntry;
   }
   public set defaultValueFromLastRow(val: boolean) {
-    this.setPropertyValue("defaultValueFromLastRow", val);
+    this.copyDefaultValueFromLastEntry = val;
   }
   protected isDefaultValueEmpty(): boolean {
     return (
@@ -562,7 +572,7 @@ export class QuestionMatrixDynamicModel extends QuestionMatrixDropdownModelBase
         (<any>res)[key] = this.defaultRowValue[key];
       }
     }
-    if (isRowAdded && this.defaultValueFromLastRow) {
+    if (isRowAdded && this.copyDefaultValueFromLastEntry) {
       var val = this.value;
       if (!!val && Array.isArray(val) && val.length >= this.rowCount - 1) {
         var rowValue = val[this.rowCount - 2];
@@ -1014,7 +1024,7 @@ Serializer.addClass(
     },
     { name: "keyName" },
     "defaultRowValue:rowvalue",
-    "defaultValueFromLastRow:boolean",
+    { name: "copyDefaultValueFromLastEntry:boolean", alternativeName: "defaultValueFromLastRow" },
     { name: "confirmDelete:boolean" },
     {
       name: "confirmDeleteText",
diff --git a/packages/survey-core/tests/question_matrixdynamictests.ts b/packages/survey-core/tests/question_matrixdynamictests.ts
index 56873410b3..b18198d2ab 100644
--- a/packages/survey-core/tests/question_matrixdynamictests.ts
+++ b/packages/survey-core/tests/question_matrixdynamictests.ts
@@ -2959,7 +2959,7 @@ QUnit.test(
   }
 );
 
-QUnit.test("Test defaultValueFromLastRow property", function (assert) {
+QUnit.test("Test copyDefaultValueFromLastEntry property", function (assert) {
   var survey = new SurveyModel();
   var page = survey.addNewPage("page");
   var question = <QuestionMatrixDynamicModel>(
@@ -2970,7 +2970,7 @@ QUnit.test("Test defaultValueFromLastRow property", function (assert) {
   question.addColumn("col1");
   question.addColumn("col2");
   question.addColumn("col3");
-  question.defaultValueFromLastRow = true;
+  question.copyDefaultValueFromLastEntry = true;
   question.addRow();
   question.visibleRows;
   assert.equal(question.isEmpty(), true, "It is empty");
@@ -2982,7 +2982,7 @@ QUnit.test("Test defaultValueFromLastRow property", function (assert) {
       { col1: 1, col2: 2 },
       { col1: 1, col2: 2 },
     ],
-    "defaultValueFromLastRow is working"
+    "copyDefaultValueFromLastEntry is working"
   );
   question.defaultRowValue = { col1: 11, col3: 3 };
   question.addRow();
@@ -2993,7 +2993,7 @@ QUnit.test("Test defaultValueFromLastRow property", function (assert) {
       { col1: 1, col2: 2 },
       { col1: 1, col2: 2, col3: 3 },
     ],
-    "defaultValueFromLastRow is merging with defaultRowValue"
+    "copyDefaultValueFromLastEntry is merging with defaultRowValue"
   );
 });
 
@@ -6719,14 +6719,14 @@ QUnit.test("Detail panel, run conditions & matrix before elements, bug#9137", fu
   assert.equal(panel.getQuestionByName("q1").isVisible, true, "first question is visible, #3");
   assert.equal(panel.getQuestionByName("q2").isVisible, true, "second question is visible, #3");
 });
-QUnit.test("Detail panel and defaultValueFromLastRow", function (assert) {
+QUnit.test("Detail panel and copyDefaultValueFromLastEntry", function (assert) {
   var survey = new SurveyModel({
     elements: [
       {
         type: "matrixdynamic",
         name: "matrix",
         detailPanelMode: "underRow",
-        defaultValueFromLastRow: true,
+        copyDefaultValueFromLastEntry: true,
         detailElements: [{ type: "text", name: "q1" }],
         rowCount: 1,
         columns: [
diff --git a/packages/survey-core/tests/surveytests.ts b/packages/survey-core/tests/surveytests.ts
index 39bb62c366..1908ecbf41 100644
--- a/packages/survey-core/tests/surveytests.ts
+++ b/packages/survey-core/tests/surveytests.ts
@@ -6155,7 +6155,7 @@ QUnit.test("onMatrixRowAdded", function (assert) {
   assert.equal(q1.rowCount, 3, "there are 3 rows");
   assert.equal(q1.value[2]["col1"], 2, "get value from previous");
 });
-QUnit.test("onMatrixRowAdded + defaultValueFromLastRow", function (assert) {
+QUnit.test("onMatrixRowAdded + copyDefaultValueFromLastEntry", function (assert) {
   var survey = new SurveyModel();
   var visibleRowsCount = -1;
   survey.onMatrixRowAdded.add(function (sender, options) {
@@ -6164,7 +6164,7 @@ QUnit.test("onMatrixRowAdded + defaultValueFromLastRow", function (assert) {
   });
   var page = survey.addNewPage("Page 1");
   var q1 = new QuestionMatrixDynamicModel("matrixdynamic");
-  q1.defaultValueFromLastRow = true;
+  q1.copyDefaultValueFromLastEntry = true;
   page.addElement(q1);
   q1.addColumn("col1");
   q1.addColumn("col2");