To strike or beat repeatedly with a hammer; to hammer away at something persistently and forcefully.
Be- (intensifying prefix) + hammer (from Old English hamor, from Proto-Germanic *hamaron). The be- prefix intensifies the action of hammering, suggesting repeated or forceful blows.
Behammer is rare but logical—English speakers actively create 'be-' verbs when they want to emphasize something ('berate' is common, 'behammer' is rare), showing that this ancient prefix is still part of our creative language toolkit even if we don't always use it.
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