chorale (n.)youdaoicibaDictYouDict[chorale 词源字典]
1828, "sacred choral song," from German Choral "metrical hymn in Reformed church," shortened from Choralgesang "choral song," translating Medieval Latin cantus choralis, from Latin cantus (see chant (v.)) + choralis (see choral). The -e was added to indicate stress. Meaning "group of singers" is 1942.[chorale etymology, chorale origin, 英语词源]