Interrupt is a verb.
The abstract noun in the sentence is "interruption." It represents a concept or idea rather than a physical object.
The meaning of the word intervened is actually quite simple. Intervened is a word that means interrupted in most cases.
When a quote is interrupted by narrative, use ellipses (...) to indicate the omission of text within the quote. Place the punctuation inside the quotation marks at the end of the interrupted speech. Resume the narrative outside the quotation marks.
Kanye West
She already has, Innocent, about when he interrupted her VMA speech.
Kanye west
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
The part of speech for "explicit" is an adjective.