Matthew 6:7 And when you pray, do not heap up empty phrases as the Gentiles do, for they think that they will be heard for their many words.
The Greek for *vain repetitions*
http://biblehub.com/greek/945.htm
battalogeó: to stammer Original Word: βαττολογέω Part of Speech: Verb
Transliteration: battalogeó
Phonetic Spelling: (bat-tol-og-eh'-o)
Short Definition: I chatter, utter empty words
Definition: I chatter, am long-winded, utter empty words, stammer, repeat.
HELPS Word-studies
945 battologéō properly, to blubber nonsensical repetitions; to chatter (be "long-winded"), using empty (vain) words (Souter).
How is reciting the events of the Gospel “vain” or “empty phrases”?