Doxology
From BibleWiki
DOXOLOGY, which is not a biblical word, is the name which has been applied to any formal ascription of praise or glory to God (doxologia glorification). Such are the closing sentences of several apostolic prayers, e.g. Rom 16:27, Jude 1:25, Eph 3:20. In particular, the name is given to the last sentence of the Lord's Prayer as it stands in TR and our AV of Matthew (cf. 1Chr 29:11). This verse, however, is omitted in the parallel passage of St. Luke, neither is it found in the earlier Uncials or the Vulgate, but first in the Teaching of the Twelve Apostles and Chrysostom. Hence it has been omitted from the text of WH and RV (text, not margin). See Chase, Lord's Prayer, 168ff.
The angels' hymn (Lk 2:14), Gloria in Excelsis, etc., has been made the foundation of another doxology by the addition of several non-biblical sentences. This, which is known liturgically as the 'greater doxology,' occurs in one of its forms in the Psalter of Codex A (LXX), while the 'lesser' (Gloria Patri, etc.) is wholly extra-biblical.

