διαθήκη · diathēkē — LSJ
disposition, testament, will
disposition of property by will, testament, Ar. V. 584, 589, D. 27.13, etc.; κατὰ διαθήκην by will, OGI 753.8 (Cilicia), Test.Epict. 4.8, BGU 1113.5 (i B.C.), etc.: in pl., διαθήκας διαθέσθαι Lys. 19.39; θέσθαι CIG 2690 (Iasus).
II deposits
αἱ ἀπόρρητοι δ. mystic deposits on which the common weal depended, prob. oracles (cf. διαθέτης), Din. 1.9 codd.
2 deposited
name of an eyesalve, because the recipe was deposited in a temple, Aët. 7.118.
III compact, covenant, disposition
compact, covenant, ἢν μὴ διαθῶνται διαθήκην ἐμοί Ar. Av. 440; freq. in LXX, Ge. 6.18, al.; καινή, παλαιὰ δ., Ev.Luc. 22.20, 2 Ep.Cor. 3.14; disposition (with allusion to 1), Ep.Gal. 3.15, cf. Ep.Hebr. 9.15.
IV
= διάθεσις II, σώματος δ. Democr. 9.