contessa (n.)youdaoicibaDictYouDict[contessa 词源字典]
1819, from Italian contessa, from Medieval Latin cometissa (see countess).[contessa etymology, contessa origin, 英语词源]
diatessaron (n.)youdaoicibaDictYouDict
late 14c. as a term in music meaning "interval of a fourth;" 1803 in reference to harmonizings of the gospels, especially that of Tatian (2c.), from Greek dia tessaron, from dia "composed of" (literally "through;" see dia-) + tessaron "four," related to tessares (see four).