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"room and provisions, lodging," c.1600, now usually plural (accommodations) and chiefly U.S.; from French accommodation, from Latin accommodationem (nominative accommodatio), noun of action from past participle stem of accommodare (see accommodate). Meaning "appliance, anything which affords aid" is from 1610s; that of "act of accommodating" is from 1640s.
accommodation ac·com·mo·da·tion (ə-kŏm'ə-dā'shən)
The act or state of adjustment or adaptation.
The automatic adjustment in the focal length of the lens of the eye to permit retinal focus of images of objects at varying distances.