noun which may take the genitive case particle 'no', noun
untreated; unprocessed; unhandled
Used for things that have not yet been dealt with, processed, or treated, often in medical, administrative, or technical contexts.
An untreated wound carries a risk of infection.
Unprocessed application forms are piling up.
Compound of 未 (not yet) and 処置 (treatment, disposal). The exact historical derivation is uncertain, but the meaning is transparent from its components.