doorset

Etymology
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Noun

 * 1) A set of doors.
 * 2) * 2017, M. J. Billington, ‎S. P. Barnshaw, ‎K. T. Bright, The Building Regulations: Explained and Illustrated (page 67)
 * The same doorset should also have a door chain or door limiter unless there are circumstances where this may not be appropriate, for example, where a warden may need emergency access to residents in sheltered housing.