diff -r 5fe1e74895ec Doc/glossary.rst
--- a/Doc/glossary.rst	Fri Jun 03 10:30:26 2016 -0700
+++ b/Doc/glossary.rst	Fri Jun 03 11:29:16 2016 -0700
@@ -777,6 +777,13 @@
       One of the default :term:`meta path finders <meta path finder>` which
       searches an :term:`import path` for modules.
 
+   path-like object
+      An object that supports the fspath protocol defined in
+      :class:`os.PathLike` by providing the :meth:`~__fspath__` method.  Such
+      objects can be converted to a :class:`str` or :class:`bytes` filesystem
+      path by calling the :func:`os.fspath` function. :class:`pathlib.PurePath`
+      and its subclasses implement this protocol. Introduced by :pep:`519`.
+
    portion
       A set of files in a single directory (possibly stored in a zip file)
       that contribute to a namespace package, as defined in :pep:`420`.