تفسير : and from his narration on the authority of ibn 'abbas that he said regarding the interpretation of allah's saying (whereof do they question one another?): he says: 'what are they-meaning the people of quraysh-talking about?'
Jalāl al-Dīn al-Maḥallī
تفسير : about what, about what thing, are they, the people of quraysh, questioning one another?