unwindow means to remove the window(s) or pane(s) from. Lexicurio rates it Rare gem — a strength score of 81 out of 100.
Etymology
From un- + window.
verb
- To remove the window(s) or pane(s) from.“A Window in the Kitchin that had been much batter’d before, was now quite broke out, and unwindow’d, no Glass or Lead at all being left […]”