Esikäsiteltiin
Esikäsiteltiin is the past passive past tense form of the Finnish verb "esikäsitellä," which translates to "to pre-treat," "to preprocess," or "to pre-handle" in English. This grammatical form indicates that an action of pre-treatment was performed on something in the past. The subject of the sentence would have undergone this pre-treatment.
In various contexts, "esikäsiteltiin" can refer to a wide range of preparatory actions. For example, in scientific