Tenebrae
/ˈtenɪbriː/plural noun
- historical (in the Roman Catholic Church) matins and lauds for the last three days of Holy Week, at which candles were successively extinguished. Several composers have set parts of the office to music.〈史〉（罗马天主教）熄灯礼拜（指在复活节前一周最后三天的早课和赞美经, 举行礼拜仪式时将灯烛渐次熄灭。一些作曲家已经把部分祷文谱成音乐）。
词源
Latin, literally 'darkness'.