G0115
ἀθέτησις
nullification
ἀθέτησις, -εως, ἡ (ἀθετέω), [in LXX, usually of unfaithful, rebellious action: 1Ki.24:12 (פֶּשַׁע), Jer.12:1 (בֶּגֶד), Da TH 9:7 (מַעַל), 2Ma.14:28 * ;] a disannulling, setting aside: Heb.7:18 9:26 (for similar usage in π., see Deiss., BS, 228 f.; MM, VGT, see word).† (AS)
Full Thayer's lexicon entry
ἀθέτησις — athétēsis
ἀθέτησις, (εως, ἡ (ἀθετέω, which see; like νουθέτησις from νουθετεῖν), abolition: Heb 7:18; Heb 9:26; (found occasionally in later authors, as Cicero, ad Att. 6, 9; Diogenes Laërtius 3, 39, 66: in the grammarians rejection; more frequently in ecclesiastical writings).
2 occurrences