Decet

[music] In music, a decet—sometimes dectet, decimette, or even tentet (Gerhart, 2005)—is a composition which requires ten musicians for a performance, or a musical group that consists of ten people. The corresponding German word is Dezett, the French is dixtuor. Unlike some other musical ensembles such as the string quartet, there is no...
Found on http://en.wikipedia.org/wiki/Decet_(music)

decet

it is seemly, comely, suitable, proper.
Found on https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html

decet

Latin, meaning: it is seemly, comely, suitable, proper
Found on http://archives.nd.edu/ddd.htm
No exact match found