[UN-2 3. Cf. MDu. onthelpen, MLG. enthelpen.] trans. To deprive of help; to hinder.

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1598.  Florio, Disaiutare, to vnhelpe, to hinder, to disfauour.

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1845.  T. W. Coit, Puritanism, 118. They would help him, if thereby they might unhelp Churchmen.

3