Amorousness

And in her soul, she was lonely, because even Vanessa, to whose strength she clung, and on whose courage she leaned, knew nothing of what Jack Ashton's vices and follies, his disgraceful infidelities, and yet more disgraceful amorousnesses had taught her, nothing of where her knowledge had brought her.

Source: wiktionary

There was a legend that Cleopatra was accustomed to dissolve pearls in vinegar and drink the fluid in order to promote her amorousness.

Source: wiktionary