Elihu had waited with patience, as the word notes. Till Job; add, and his three friends, as appears from the following words. It is a synecdoche, whereof instances have been given before. They were elder than he; and therefore he expected more satisfaction from them, and gave them the precedency in the discourse; wherein he showed his prudence and modesty.
Related Commentaries of Job 32:4
Job 32:4
4 Now Elihu had waitedb till Job had spoken, because they were elder than he.