The Word is:”of”

of

/ɒv,(ə)v/

preposition

preposition: of

1. expressing the relationship between a part and a whole:

  • with the word denoting the part functioning as the head of the phrase.
    “the sleeve of his coat”
  • after a number, quantifier, or partitive noun, with the word denoting the whole functioning as the head of the phrase.
    “nine of the children came to the show”
  • 2. expressing the relationship between a scale or measure and a value.
    “an increase of 5%”

  • expressing an age.
    “a boy of 15”
  • 3. indicating an association between two entities, typically one of belonging, in which the first is the head of the phrase and the second is something associated with it.
    “the son of a friend”

  • expressing the relationship between an author, artist, or composer and their works collectively.
    “the plays of Shakespeare”
  • 4. expressing the relationship between a direction and a point of reference.
    “north of Watford”
    5. expressing the relationship between a general category or type and the thing being specified which belongs to such a category.
    “the city of Prague”
    6.expressing the relationship between an abstract concept having a verb-like meaning and a noun denoting the subject of the underlying verb.
    “the opinion of the directors”

  • where the second noun denotes the object of the underlying verb.
    “the murder of two boys”
  • where the head of the phrase is a predicative adjective.
    “it was kind of you to ask”
  • 7. indicating the relationship between a verb and an indirect object:

  • with a verb expressing a mental state.
    “I don’t know of anything that would be suitable”
  • expressing a cause.
    “he died of cancer”
  • 8. indicating the material or substance constituting something.
    “the house was built of bricks”
    9.North American
    expressing time in relation to the following hour.
    “it would be just a quarter of three in New York”

    Source credit: Google