## Etymology
From un- ('not') + identified, past participle of identify, from Medieval Latin identificare, from Latin identitas ('sameness', from idem 'the same') + facere ('to make').

## AI Etymology
Unidentified is from un- ('not') + identified, past participle of identify, from Medieval Latin identificare, from Latin identitas ('sameness', from idem 'the same') + facere ('to make'). Important recorded forms include un- (Old English), identitas (Late Latin), and idem (Latin). Morphologically, the un- element marks negation, reversal, removal, or deprivation, while the base supplies the action, quality, or state being denied or undone. The modern sense is largely compositional, with the historical elements narrowing into a stable English lexical item. In current use it covers not recognized or named. The wider family includes related words such as identify, identified, identity, and identification.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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