Profestrix

Moreover, I introduced into the problem an additional element by requesting their reaction to the word profestrix, […] Mr. John Sparrow, formerly Warden of All Souls’ College, Oxford, was very definite: “As for the retired female professor, I am sure she can’t be called profestrix emerita: profestrix simply won’t do! (Indeed I know it wasn’t meant seriously). ” “I don’t trust profestrix for a moment,” wrote Dr. Frank Stubbings, formerly Orator in the University of Cambridge.

Source: wiktionary

Of course "profestrix", [re]constructed on the antique model, would be right for the old verb. In fact, it is quite frequently used nowadays, esp. by profestrices of Latin, as in: [links] and a lot of others.

Source: wiktionary

Actually, she was a profestrix emerita.

Source: wiktionary

Profestrix emerita Grethe R. Hasle is responsible for the diatom section of the book, senior scientist Karl Tangen for the dinoflagellate part, and professor (now emeritus) Jahn Throndsen is responsible for the other groups and the general part as well as being the editor of the book.

Source: wiktionary