koristatud

Koristatud is an Estonian past passive participle formed from the verb koristama, meaning to clean or tidy. It is used to describe something that has already been cleaned or tidied, translating roughly as “cleaned” or “tidied.”

In usage, koristatud functions as an adjective and can appear before a noun or as a predicate with the verb olema (to be). It agrees with the noun in number and case, and is commonly seen in phrases such as koristatud tuba (the cleaned room) or toad koristatud toad? The form is part of standard Estonian grammar, and its meaning remains stable across contexts: the object has undergone cleaning.

Etymology traces the word to the verb koristama, which derives from the noun koristus meaning cleaning or housekeeping. The participle ending -dat/-etud/-atud-type in Estonian forms the past passive participle, yielding koristatud as the standard form for this verb.

Related words include koristus (cleaning, housekeeping), koristaja (a cleaner), and koristama (to clean). In practice, kasutajad may encounter koristatud in everyday descriptions of domestic tasks, workplace hygiene, or sanitation contexts. It can carry neutral or slightly formal tone, depending on the surrounding vocabulary and register.

See also: Estonian grammar, Estonian participles, koristus.