diff --git a/components/lib/accordion/Accordion.d.ts b/components/lib/accordion/Accordion.d.ts
index c47a78d6d..efa56c552 100755
--- a/components/lib/accordion/Accordion.d.ts
+++ b/components/lib/accordion/Accordion.d.ts
@@ -63,8 +63,13 @@ export interface AccordionPassThroughOptions {
     root?: AccordionPassThroughOptionType;
     /**
      * Uses to pass attributes to AccordionTab helper components.
+     * @deprecated since v3.30.1. Use 'accordiontab' property instead.
      */
     tab?: AccordionTabPassThroughOptionType;
+    /**
+     * Uses to pass attributes to AccordionTab helper components.
+     */
+    accordiontab?: AccordionTabPassThroughOptionType;
     /**
      * Uses to manage all lifecycle hooks
      * @see {@link BaseComponent.ComponentHooks}
diff --git a/components/lib/accordion/Accordion.vue b/components/lib/accordion/Accordion.vue
index 8d5af609a..8fdafb833 100755
--- a/components/lib/accordion/Accordion.vue
+++ b/components/lib/accordion/Accordion.vue
@@ -112,7 +112,7 @@ export default {
                 }
             };
 
-            return mergeProps(this.ptm(`tab.${key}`, { tab: tabMetaData }), this.ptm(`accordiontab.${key}`, tabMetaData), this.ptmo(this.getTabProp(tab, 'pt'), key, tabMetaData));
+            return mergeProps(this.ptm(`tab.${key}`, { tab: tabMetaData }), this.ptm(`accordiontab.${key}`, { accordiontab: tabMetaData }), this.ptm(`accordiontab.${key}`, tabMetaData), this.ptmo(this.getTabProp(tab, 'pt'), key, tabMetaData));
         },
         onTabClick(event, tab, index) {
             this.changeActiveIndex(event, tab, index);
diff --git a/components/lib/tabview/TabView.d.ts b/components/lib/tabview/TabView.d.ts
index 7e2617c52..516ba84a8 100755
--- a/components/lib/tabview/TabView.d.ts
+++ b/components/lib/tabview/TabView.d.ts
@@ -83,8 +83,13 @@ export interface TabViewPassThroughOptions {
     panelContainer?: TabViewPassThroughOptionType;
     /**
      * Uses to pass attributes to TabPanel helper components.
+     * @deprecated since v3.30.1. Use 'tabpanel' property instead.
      */
     tab?: TabPanelPassThroughOptionType;
+    /**
+     * Uses to pass attributes to TabPanel helper components.
+     */
+    tabpanel?: TabPanelPassThroughOptionType;
     /**
      * Uses to manage all lifecycle hooks
      * @see {@link BaseComponent.ComponentHooks}
diff --git a/components/lib/tabview/TabView.vue b/components/lib/tabview/TabView.vue
index 81f6a9be5..45bd84b02 100755
--- a/components/lib/tabview/TabView.vue
+++ b/components/lib/tabview/TabView.vue
@@ -163,7 +163,7 @@ export default {
                 }
             };
 
-            return mergeProps(this.ptm(`tab.${key}`, { tab: tabMetaData }), this.ptm(`tabpanel.${key}`, tabMetaData), this.ptmo(this.getTabProp(tab, 'pt'), key, tabMetaData));
+            return mergeProps(this.ptm(`tab.${key}`, { tab: tabMetaData }), this.ptm(`tabpanel.${key}`, { tabpanel: tabMetaData }), this.ptm(`tabpanel.${key}`, tabMetaData), this.ptmo(this.getTabProp(tab, 'pt'), key, tabMetaData));
         },
         onScroll(event) {
             this.scrollable && this.updateButtonState();