To argue or quarrel in a loud, persistent, and petty way about unimportant things.
Third-person singular or plural of the verb 'brabble,' from Middle Dutch 'brabbelen.' The verb form emphasizes the action of pointless disputing rather than the person doing it.
The verb 'brabbles' captures something specific about human conflict: not serious disagreement, but the noise and persistence of meaningless arguing—it's why it's remained in English for over 400 years.
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