"一起" (yīqǐ) in Engpsh can be translated to "together". It is a adverb that indicate that two or more people or things are doing something in the same place at the same time.
The word "together" has its origin in the Old Engpsh word "tōgædere," which is a combination of "tō" meaning "to" and "gædere" meaning "together."
Here are a few examples of "together" in Engpsh:
Let's go to the movies together. (让我们一起去看电影。)
We work together on this project. (我们一起工作这个项目。)
They pve together in a small apartment. (他们一起住在一个小公寓里。)