ETYMOLOGY
reduplicated extension of prattle (to talk in a foolish, childish, or inconsequential way)
EXAMPLE (for vb.)
“… they are poore honest folkes, and haue here an honest company at their mariage, now they lacke wyne, I pray you helpe, She was not long in bibble bable, with saying she wist not what, but sayth at one word, helpe for it is nede. She doth not, as our Papistes do, whiche prittle prattle a whole day uppon their Beades, saying our Ladyes Psalter. But she only sayth, they haue no wyne; helpe. etc. …”
From: Frutefull Sermons
A Sermon Preached by Hugh Latymer, a1552
Lexicophilia 