neume
/njuːm/(亦作neum)
noun
1- Music (in plainsong) a note or group of notes to be sung to a single syllable【乐】（素歌中）纽玛记谱法。
1.1
- a sign indicating this纽玛音符。
词源
late Middle English: from Old French neume, from medieval Latin neu（p）ma, from Greek pneuma 'breath'.