つなtsunaげるgeru
1.

To establish a link or relationship between two or more things, allowing them to interact or communicate with each other.

2.

To bring separate elements together in a cohesive manner, creating a unified whole.

3.

To pass on communication from one person to another, often in the context of a phone call.

4.

To secure or attach one object to another, ensuring they are held together firmly.

Example:

私のテープレコーダーは君のアンプにもつなげられる。