This is the 13029th most frequent German word.
abgehaltenen
"Abgehaltenen" means "held" or "conducted" (as in an event or meeting).
The word 'abgehaltene' describes the meeting that was held or conducted, using a past participle form of 'abhalten' to function as an adjective.
Die abgehaltene Versammlung war ein voller Erfolg.
The held meeting was a complete success.
Here, 'abgehaltenen' modifies 'Interviews', indicating they are interviews that took place in the past.
Es wurde eine Studie über die abgehaltenen Interviews angefertigt.
A study was conducted on the interviews that were held.
In this example, 'abgehaltenen' qualifies 'Vorlesungen', describing them as lectures that have been conducted.