- mediant (n.)[mediant 词源字典]
- "third note of the diatonic scale," 1753, from Italian mediante, from Late Latin mediantem (nominative medians) "dividing in the middle," present participle of mediare "to be in the middle" (see medial (adj.)). So called from being midway between the tonic and the dominant.[mediant etymology, mediant origin, 英语词源]