مِنْ شَرِّ الْوَسْوَاسِ الْخَنَّاسِ
From the evil of the whisperer who withdraws or hides. (114:4)
Al-waswās can be treated as an intensive designation of the whispering agent or an agent described through a noun linked to whispering. Al-khannās qualifies it and evokes withdrawal or hiding. The definite expressions identify the danger after the three divine descriptions.
The sequence first establishes the One in whom protection is sought and then articulates the feared influence; this is part of the surah’s rhetorical arrangement.