laststep

noun
UK /ˈlɑːst.stɛp/
US /ˈlæst.stɛp/

The last step is the final move you make to finish something.

Climbing the last step, she reached the top of the stairs.


OTHER MEANINGS

2. The bottom stair of a set of stairs.

He tripped on the last step near the door.

3. The final stage in a process or plan.

Signing the form is the last step before you get your card.

4. The final action in a dance or routine.

The dancers practiced the last step again and again.