An-Najm Verse 5

He has been taught by one ˹angel˺ of mighty power[[ The angel Gabriel. ]]

He was taught by [an angel of] mighty power,

taught him by one terrible in power,

It was taught to him by [an angel] with mighty powers

One of mighty powers hath taught it him.

He was taught by one Mighty in Power,

something that a very powerful one has imparted to him,

Bestowed on him by the Supreme Intellect,

He has been taught by the Extremely Powerful.

taught him by one of great powers,

One of forceful might (Gabriel) has taught it;

The Lord of Mighty Powers has taught him (this discourse).

The powers`/strength`s strong (severe) taught/instructed him.

He has been taught by the Extremely Powerful.

Taught by one of mighty power, (The Archangel Gabriel)

He has been taught (this Quran) by one mighty in power [Jibrael (Gabriel)].

It is naught but revelation that is revealed --

The Lord of Mighty Power has taught him,

Which one of mighty powers hath taught him,

and taught to him

taught by One who is Stern in power.

He has been taught by one mighty in power.

He was taught by [an angel] who is mighty in power,

Taught to him by the Extremely Powerful.

it is, taught to him by, an angel, one of awesome power,

The Trustworthy Angel brought Allah's Revelation to the Trustworthy Messenger

Allah the Exalted states,

عَلَّمَهُ شَدِيدُ الْقُوَى



He has been taught by one mighty in power.

Allah the Exalted states that the Message His servant and Messenger Muhammad brought to people was taught to him by,
شَدِيدُ الْقُوَى
(mighty in power), he is Jibril, peace be upon him,

إِنَّهُ لَقَوْلُ رَسُولٍ كَرِيمٍ

ذِى قُوَّةٍ عِندَ ذِى الْعَرْشِ مَكِينٍ

مُّطَـعٍ ثَمَّ أَمِينٍ

Verily, this is the Word a most honorable messenger, owner of power, with (Allah) the Lord of the Throne, obeyed (by the angels) and trustworthy. (81;19-21)

Allah said here