occlude

Borrowed from Latin occludĕre, from ob (“before”) and claudĕre (“to shut”).

occlude (third-person singular simple present occludes, present participle occluding, simple past and past participle occluded)

1. (transitive) To obstruct, cover, or otherwise block (an opening, a portion of an image, etc.).
2. (transitive) To absorb, as a gas by a metal.

occlude

1. third-person singular present indicative of occludere

occlūde

1. second-person singular present active imperative of occlūdō