[ə(v)], (Adposition)

Definitions:
- expressing the relationship between a part and a whole

- expressing the relationship between a scale or measure and a value
(e.g: an increase of 5%)

- 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
(e.g: the son of a friend)

- expressing the relationship between a direction and a point of reference
(e.g: north of Watford)

- expressing the relationship between a general category or type and the thing being specified which belongs to such a category
(e.g: the city of Prague)

- following a noun derived from or related to a verb

- where the head of the phrase is a predicative adjective
(e.g: it was kind of you to ask)

- indicating the relationship between a verb and an indirect object

- indicating the material or substance constituting something
(e.g: the house was built of bricks)

- expressing time in relation to the following hour
(e.g: it would be just a quarter of three in New York)


Phrases:
- be of
- of a morning
- of all
- of all the nerve
- of an evening

Origin:
Old English of, of Germanic origin; related to Dutch af and German ab, from an Indo-European root shared by Latin ab and Greek apo