incognitus

Latin, meaning: unknown, unexamined / unrecognized / unclaimed
Found on http://archives.nd.edu/iii.htm

incognitus

incognitus (masculine); incognita (feminine) Not known, unknown. 1. With one's name, character and rank, etc., concealed. 2. Status of a person who appears or travels without disclosing his/her true identity. This term is better known in the Italian version, perhaps via French; as, incognito, from the Latin form shown above.
Found on http://www.wordinfo.info/words/index/info/view_unit/3471/2
No exact match found