ف َرَأَوْا بَعضَ تَلامِيذِهِ يَأكُلُونَ بِأيدٍ نَجِسَةٍ، أي غَيرِ مَغسُولَةٍ.
and had seen that some of His disciples were eating their bread with impure hands, that is, unwashed.