unshuttering

Verb

unshutter (third-person singular simple present unshutters, present participle unshuttering, simple past and past participle unshuttered)

1. (transitive) To open or remove the shutters of.
   • First he unshuttered the little lattice-window of the room on the ground floor; a simple operation enough, for the shutter was a mere wooden flap, which was closed over the window at night, and bolted with a wooden bolt on the outside1859–1861, [Thomas Hughes], Tom Brown at Oxford: […], (please specify |part=1 or 2), Boston, Mass.: Ticknor and Fields, published 1861, →OCLC