unobstruct

English

Etymology

un- +‎ obstruct

Verb

unobstruct (third-person singular simple present unobstructs, present participle unobstructing, simple past and past participle unobstructed)

1. (transitive) To free from an obstruction.
   • 1909, Official Gazette of the United States Patent Office, page 30:

     […] a pivoted device movable in one direction by the plunger, and means for moving said pivoted device in the other direction to engage the head of a nail when the plunger is moved to unobstruct the feed channel.