diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-08-20-04-04-39.gh-issue-130821.wwb_7S.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-08-20-04-04-39.gh-issue-130821.wwb_7S.rst
new file mode 100644
index 00000000000000..d89ed1cbb30f16
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-08-20-04-04-39.gh-issue-130821.wwb_7S.rst
@@ -0,0 +1 @@
+Include the type name in the :exc:`TypeError` raised when ``items()`` returns a non-iterable during abstract method computation in :mod:`abc`. Patch by Jason Mak.
diff --git a/Modules/_abc.c b/Modules/_abc.c
index 5826efbfecb690..4d87681272c5df 100644
--- a/Modules/_abc.c
+++ b/Modules/_abc.c
@@ -383,10 +383,14 @@ compute_abstract_methods(PyObject *self)
     }
     assert(PyList_Check(items));
     for (Py_ssize_t pos = 0; pos < PyList_GET_SIZE(items); pos++) {
-        PyObject *it = PySequence_Fast(
-                PyList_GET_ITEM(items, pos),
-                "items() returned non-iterable");
+        PyObject *item_obj = PyList_GET_ITEM(items, pos);
+        PyObject *it = PySequence_Fast(item_obj, "items() returned non-iterable");
         if (!it) {
+            if (PyErr_ExceptionMatches(PyExc_TypeError)) {
+                PyErr_Format(PyExc_TypeError,
+                             "items() returned non-iterable (type %T)",
+                             item_obj);
+            }
             goto error;
         }
         if (PySequence_Fast_GET_SIZE(it) != 2) {