rannsakað

Rannsakað is the neuter singular past participle form of the Icelandic verb rannsaka, meaning to investigate, examine in detail, or research. In usage, rannsakað denotes that something has undergone investigation or examination. It can function as part of passive constructions or as an adjective describing objects or data that have been studied.

In Icelandic grammar, past participles like rannsakað are used with auxiliary verbs to form perfect and pluperfect tenses, and they can also appear in passive phrases such as var rannsakað or hefur verið rannsakað. When used as an adjective, the participle agrees with the noun it modifies, so forms may vary by gender and number in full inflection. The neuter singular form rannsakað is the common form encountered in sentences where the subject is inanimate or when the participle is used in a neutral descriptive sense.

Common contexts for rannsakað include academic, journalistic, legal, and scientific writing, where it describes information, findings, or objects that have already been subjected to investigation. Examples of usage include phrases like "rannsakað gögn" (investigated data) or "rannsakað mál" (investigated case). A sentence might be: "Mál var rannsakað af rannsóknarlögreglumönnum," meaning the case was investigated by the investigative police.

Etymologically, rannsakað is derived from the Icelandic verb rannsaka, with the participle suffix -ð. The term is closely tied to the concept of inquiry and scrutiny in Icelandic discourse and is commonly encountered in formal writing, reporting, and analytical prose.