Morpheme
Verber
Type
bound base
Denotation
lash, beat, strike, whip, scourge, flog, rod
Etymology
Latin verberāre, from verber
Evidence
dereverberate, dereverberation, reverberance, reverberant, reverberantly, reverberate, reverberated, reverberates, reverberating, reverberatingly, reverberation, reverberative, reverberator, reverberatory, unreverberant, unreverberantly, unreverberated, verberate, verberated, verberates, verberating, verberation
Notes
<r> does not double because the stress falls on the first syllable