Septuagint
noun
Sep·tu·a·gint sep-ˈtü-ə-jənt 
-ˈtyü-;
ˈsep-tə-wə-ˌjint
: a Greek version of the Jewish Scriptures redacted in the third and second centuries b.c. by Jewish scholars and adopted by Greek-speaking Christians
Septuagintal
(ˌ)sep-ˌtü-ə-ˈjin-tᵊl
adjective -ˌtyü-;
ˌsep-tə-wə-
Word History
Etymology
Late Latin Septuaginta, from Latin, seventy, irregular from septem seven + -ginta (akin to Latin viginti twenty); from the approximate number of its translators — more at seven, vigesimal
First Known Use
1566, in the meaning defined above