plab-

to babble, prattle, etc.

Reflexes - Pokorny

LanguageReflex(es)GlossGrammarSources
English
Middle Englishflappento flapvbIEW LRC
Englishflapto slap, beat; sway looselyvbIEW W7 LRC
West Germanic
Low Germanflappento flapvbIEW LRC