1242 diatheke {dee-ath-ay'-kay}
from 1303; TDNT - 2:106,157; n f
AV - covenant 20, testament 13; 33
1) a disposition, arrangement, of any sort, which one wishes to
be valid, the last disposition which one makes of his earthly
possessions after his death, a testament or will
2) a compact, a covenant, a testament
2a) God's covenant with Noah, etc.