“Descent” vs. “descend” in the context

What causes a nose bleed during the descent?

I am not sure that the descent is correct here or not grammatically. If it is correct so what about descend, (the)descending? Please add the reason of choice.

It is necessary to say descent/descend is the correct choice semantically to describe the job of going down into the sea from the surface during the diving. My doubts are grammatically.


During is a preposition and requires a noun or noun phrase for its object.

Descent is a noun and may be used as the object of a preposition.

 What causes a nose bleed during (the) descent?

Descend is a verb—specifically, a bare infinitive. A bare infinitive cannot be used as a noun. A marked infinitive like to descend may be used as a noun in some circumstances, but not as the object of a preposition—perhaps because it already has what looks and sounds like a preposition in front of it.

What causes a nose bleed during descend?
What causes a nose bleed during to descend?

Descending is also a verb—specifically, a gerund. This is a form which can be used as a noun. However, during is not usually employed with gerunds, probably because the two consecutive -ings may be confusing. Instead, we use while:

 What causes a nose bleed while descending?

The is used only if you are speaking of a specific descent, not of descents in general.
marks an utterance as unacceptable
Specifically, as a verb complement, or as the head of a complementary clause:

  • To err is human.
  • I love to run.

Source : Link , Question Author : Persian Cat , Answer Author : StoneyB on hiatus

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