-essyoudaoicibaDictYouDict[-ess 词源字典]
fem. suffix, from French -esse, from Late Latin -issa, from Greek -issa (cognate with Old English fem. agent suffix -icge); rare in classical Greek but more common later, in diakonissa "deaconess" and other Church terms picked up by Latin.[-ess etymology, -ess origin, 英语词源]