instructress

Etymology
From.

Noun

 * 1)  A female instructor.
 * 2) * 1741,, letter VI, in Pamela, Volume IV, page 38:
 * you must allow me to look upon you as my Scholar, in one Sense; as my Companion, in another; and as my Instructress, in a third.

Translations

 * Esperanto: instruistino