Origin: 1575–85; < Latinconcentus harmony, chorus, literally, singing or playing together, equivalent to concen-, variant stem of concinere to sing together (con-con- + -cinere, combining form of canere to sing; cf. chant) + -tus suffix of v. action
1580s, from L. concentus "a singing together, harmony," from concinere "to sing or sound together," from con- "with, together" + canere "to sing" (see chant). Often misspelled consent or confused with that word.