From The Collaborative International Dictionary of English v.0.48: -ess \-ess\ [OF. -esse, LL. -issa, Gr. ?.] A suffix used to form feminine nouns; as, actress, deaconess, songstress. [1913 Webster]
-ess \-ess\ [OF. -esse, LL. -issa, Gr. ?.] A suffix used to form feminine nouns; as, actress, deaconess, songstress. [1913 Webster]