Abbas - Tanwîr al-Miqbâs min Tafsîr Ibn ‘Abbâs
Allah will say to the first generation of people who entered the Fire: (Here is an army) a group of people (rushing blindly with you) into the Fire. Those who entered hell first will say to those who entered it after them: (No word of welcome for them) may Allah not make it spacious for them. (Lo! they will roast at the Fire) they will abide in the Fire.
And it will be said to them as they enter the Fire with their followers: ‘This is a horde about to plunge, to enter, with you, into the Fire violently — at which point those who used to be followed say: no welcome [is there] for them [here]!, in other words, [they will find] no comfort for them [here]. They will indeed roast in the Fire’.
(and worst (indeed) is that place to rest! This is so! Then let them taste it -- Hamim and Ghassaq.) Hamim is something that has been heated to the ultimate degree, and Ghassaq is the opposite, something that is so intensely cold that it is unbearable. Allah says:
وَءَاخَرُ مِن شَكْلِهِ أَزْوَجٌ
(And other of similar kind (oppasite pairs) -- all together!) means, and other things of this kind, a thing and its opposite, serving as punishments. Al-Hasan Al-Basri said, concerning the Ayah:
وَءَاخَرُ مِن شَكْلِهِ أَزْوَجٌ
(And other of similar kind -- all together!) "Different kinds of punishments.'' Others said, such as intense cold and intense heat, and drinking Hamim and eating the bitter tree of Az-Zaqqum, and being lifted up and thrown down, and other kinds of paired opposites, all of which are means of punishment.
(This is a troop entering with you (in Hell), no welcome for them! Verily, they shall enter in the Fire!) Here Allah tells us what the people of Hell will say to one another. This is like the Ayah:
كُلَّمَا دَخَلَتْ أُمَّةٌ لَّعَنَتْ أُخْتَهَا
(Every time a new nation enters, it curses its sister nation (that went before)) (7:38), which means, instead of greeting one another, they will curse one another, accuse one another of being liars and reject one another. When a new group arrives, the keepers of Hell will say,
(The last of them will say to the first of them: "Our Lord! These misled us, so give them a double torment of the Fire.'' He will say: "For each one there is double (torment), but you know not.'') (7:38), which means that each of them will be punished as he deserves.
(And they will say: "What is the matter with us that we see not men whom we used to count among the bad ones Did we take them as an object of mockery, or have (our) eyes failed to perceive them'') Here Allah tells us that when they are in Hell, the disbelievers will notice that they do not see people who they thought were misguided, while they thought of themselves as believers. They will say, `why do we not see them with us in the Fire' Mujahid said, "This is what Abu Jahl will say; he will say, `what is the matter with me that I do not see Bilal and `Ammar and Suhayb and so-and-so...' This is an example; all the disbelievers are like this, they think that the believers will go to Hell, so when the disbelievers enter Hell, they will wonder why they do not see them there, and they will say,
(What is the matter with us that we see not men whom we used to count among the bad ones Did we take them as an object of mockery,) means, in this world,
أَمْ زَاغَتْ عَنْهُمُ الأَبْصَـرُ
(or have (our) eyes failed to perceive them) means, they will try to console themselves with this wishful thinking, so they will say, perhaps they are here in Hell with us, but we have not laid eyes on them. Then they will find out that they (the believers) are in the lofty levels of Paradise, as Allah says:
(And the dwellers of Paradise will call out to the dwellers of the Fire (saying): "We have indeed found true what our Lord had promised us; have you also found true what your Lord promised (warned)'' They shall say: "Yes.'' Then a crier will proclaim between them: "The curse of Allah is on the wrongdoers.'') until:
(Enter Paradise, no fear shall be on you, nor shall you grieve.) (7:44-49)
إِنَّ ذَلِكَ لَحَقٌّ تَخَاصُمُ أَهْلِ النَّارِ
(Verily, that is the very truth -- the mutual dispute of the people of the Fire!) means, `this that We have told you, O Muhammad, about the dispute among the people of Hell and their cursing one another, is true and there is no doubt concerning it.'
Maududi - Sayyid Abul Ala Maududi - Tafhim al-Qur'an
Several meanings of the word ghassaq, as used in the original, have been given by the lexicographers: (1) Any moisture that is discharged by the body in the forth of pus, blood, or mixture of pus and blood, etc. and this includes tears as well; (2) something extremely cold; and (3) something stinking and giving out offensive smell. However, the word is generally used in the first meaning only, though the other two meanings also are correct lexically.