G3172
μεγαλωσύνη
majesty
μεγαλωσύνη, -ης, ἡ (μέγας) [in LXX chiefly for גְּדוּלָה and cogn. forms, 2Ki.7:23, Psa.145:3, al. ;] greatness, majesty: Heb.1:3 8:1, Ju 25 (elsewhere Eccl. only).† (AS)
The KJV translates G3172 in the following manner:
Majesty (4x), majesty (2x)
Full Thayer's lexicon entry
μεγαλωσύνη — megalōsýnē
μεγαλωσύνη, μεγαλωσύνης, ἡ, only in Biblical and ecclesiastical writings (cf. Winers Grammar, 26, 95 (90); Buttmann, 73, and see ἀγαθωσύνη) (μέγας), the Sept. for גֹּדֶל and גְּדוּלָה; majesty: of the majesty of God, Heb 1:3; Heb 8:1; Jud 1:25 (so 2Sa 7:23; Psa 144:3; Psa 144:6; Wis 18:24; Sir 2:18, and often).
3 occurrences
Hebrews (2), Jude (1)