põhjustati
Põhjustati is the past passive perfective form of the Estonian verb "põhjustama," which translates to "to cause" or "to be caused." This grammatical form indicates that an action was completed in the past, and the subject of the sentence was the recipient of that action, rather than the performer. It signifies that something happened to the subject, and the cause is either implied, unknown, or less important than the result.
For example, in the sentence "Haigus põhjustati viiruse poolt" (The illness was caused by a virus), "põhjustati"
The past passive perfective form is frequently used when the focus is on the outcome or the