This is the 11038th most frequent Turkish word.
dolmadan
"Dolmadan" means "before it is filled" or "without being stuffed."
Here, 'dolmadan' uses the 'madan' suffix to indicate an action that has not occurred yet.
Tekrar dolmadan, bardaktaki suyu iç.
Drink the water in the glass before it refills.
In this sentence, 'dolmadan' is missing and the correct usage adheres to the intent of pre-starting activities.
Gösteri başlamadan önce salona girdik.
We entered the hall before the performance started.
Similarly, 'dolmadan' showcases action prevention before its completion.