hurdle
US /ˈhɝː.dəl/
UK /ˈhɝː.dəl/

1.
a barrier or obstacle over which a runner or horse must leap in a race
:
•
The athlete cleared the final hurdle with ease.
•
She tripped over a hurdle during the race.
2.
a difficulty or problem that one must overcome
:
•
Overcoming financial hurdles was their biggest challenge.
•
The team faced several technical hurdles during development.
1.