むすmusuびつくbitsukuむすmusubitsuku
1.

To form a close relationship or connection, as when people or ideas come together and create a bond.

2.

To become intertwined or linked in such a way that they impact or influence each other significantly.

3.

To unite or join as one, resulting in a cohesive entity rather than remaining separate.

Example:

彼の努力が好成績に結びついた。