This is the 4435th most frequent Swedish word.
undersökt
"Undersökt" means "examined" or "investigated" in English.
Here 'undersökt' is used as the past participle of the verb 'undersöka', indicating a completed investigation.
Jag har undersökt saken noggrant.
I have examined the matter thoroughly.
In this sentence, 'undersökas' is used as the passive form of the verb, indicating that the investigation needs to be performed.
Den nya modellen måste undersökas innan produktion.
The new model must be examined before production.
'Undersökt' in this context is the past perfect form of the verb, emphasizing that the exploration had already occurred prior to another event.