The act or result of babbling; meaningless chatter, confused speech, or incoherent talk.
From 'babble' plus the suffix -ment, which creates nouns denoting an action or its result. The formation parallels words like 'amusement' or 'movement,' making an abstract noun from a verb.
The suffix -ment is one of English's most productive noun-makers, and 'babblement' shows how you can theoretically turn almost any verb into an abstract noun—showing the generative power of English word formation.
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