tinnitus (n.)youdaoicibaDictYouDict
1843, from Latin tinnitus "a ringing, jingling," from tinnire "to ring, tinkle" (see tintinnabulation).
concinnityyoudaoicibaDictYouDict
"The skilful and harmonious arrangement or fitting together of the different parts of something", Mid 16th century: from Latin concinnitas, from concinnus 'skilfully put together'.