forbar

From Middle English forbarren (“to bar, bar up, block”), equivalent to for- +‎ bar. Compare Middle High German verbarren (“to forbar”).

forbar (third-person singular simple present forbars, present participle forbarring, simple past and past participle forbarred)

1. (obsolete, transitive) To bar in; to shut up.
2. (obsolete, transitive) To bar, fend off, ward off.
3. (obsolete, transitive) To exclude, deny.