Lexical Definition

‎βαττολογέω‎ battologéō (bat-tol-og-eh'-o) to babble ^G:V
from (a proverbial stammerer) and ‎λόγος‎

use vain repetitions.

• to stutter, i.e. (by implication) to prate tediously

Abbott-Smith

*† βατταλογέω, -ῶ (Rec. βαττολ-, D, βλαττ- = βατταρίζω, prob. onomatop.; v. MM, s.v.; DCG, ii, 499b, 790a);
to stammer, repeat idly: Mt 6:7 (Cremer, 765).†

Abbott-Smith References

Liddell-Scott-Jones

βαττολογέω-λογέω,

={βατταρίζω}, speak stammeringly, say the same thing over and over again, [NT+6th c.AD+]

_{LSJ Scripture Refs: Matt.6.7}