instructress

noun

Etymology: Etymology tree English instructor Late Latin -issader. Old French -essebor. Middle English -esse English -ess English instructress From instructor + -ess.

1. A female instructor.

   “[…] 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.”

   “After a short pause Sir Thomas added with dignity, "Yes, let her home be in this house. We will endeavour to do our duty by her, and she will at least have the advantage of companions of her own age, and of a regular instructress."”