Decalogue
Concise Oxford English Dictionary © 2008 Oxford University Press:
Decalogue /ˈdɛkəlɒg/
▶noun the Ten Commandments.
– origin ME: via Fr. and eccles. L. from Gk dekalogos (biblos) ‘(book of) the Ten Commandments’, from hoi deka logoi ‘the Ten Commandments’.
'Decalogue' also found in these Oxford entries:

