What part of speech is “out-of”
Preposition
Definition:
the preposition 'out of' typically indicates spatial relationships and movement and is used to describe movement away from something or months, years, etc.
Examples:
He saw the cat run out of the room.
He had been out of breath for a while.
She was a long way out of town.
Tips:
in the examples, the phrase 'out of' cannot be replaced with any other single word. In some cases, however, it can be replaced with a more specific preposition such as 'from' or 'off.'