thirdstep
nounUK /ˈθɜːd.stɛp/
US /ˈθɝːd.stɛp/
The third step is the one that comes after the second step.
Climb to the thirdstep and then turn left.
OTHER MEANINGS
2. The third action in a set of instructions or a plan.
The thirdstep in the recipe is to add the sugar.
3. The third level in a process or program.
Our club is now on the thirdstep of its growth plan.
4. A small platform or tread that is third in a series.
He painted the thirdstep a bright red color.