﴿ إِنْ هُوَ إِلَّا وَحْىٌۭ يُوحَىٰ ﴾

“that [which he conveys to you] is but [a divine] inspiration with which he is being inspired –”

(It is) i.e. the Qur'an (naught save an inspiration) from Allah (that is inspired) to him through Gabriel who comes and recites it to him,