or end point

[ end-point ]
/ ˈɛndˌpɔɪnt /

noun Mathematics.

the point on each side of an interval marking its extremity on that side.

Origin of endpoint

First recorded in 1895–1900; end1 + point
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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