First-generation (adjective)

1. Being the first of a kind, or the first in a series.
2. Relating to the first generation of a particular group of people, such as immigrants, who are born in a new country or environment.

Origin:

The term first-generation is used to describe something that is the first of its kind or the first to be created.

Examples:

1. This is the first-generation of this model of car.
2. The company is releasing a new first-generation product.
3. He is a first-generation American, his parents immigrated from Italy.
4. This college has a high percentage of first-generation students.
5. The first-generation iPhone was released in 2007.