incognita

Etymology
See.

Noun

 * 1) A woman who is unknown or in disguise.
 * 2)  The state of being in disguise.

Adjective

 * 1) Of a woman: without being known; in an assumed character, or under an assumed title; in disguise;.

Related terms

 * terra incognita

Noun

 * 1)  unknown (quantity)
 * 2) uncertainty