Didn't Wittgenstein shift a bit later in career. All 'word' play is built on other words, and language turns into a self-referential house of cards? Didn't his

Didn't Wittgenstein shift a bit later in career. All 'word' play is built on other words, and language turns into a self-referential house of cards? Didn't his grand plan to define everything fall apart and he gave up on it? (I might be mis-remembering later Wittgenstein)