terminus
US /ˈtɝː.mə.nəs/
UK /ˈtɝː.mə.nəs/

1.
the final stop or destination in a public transportation system, or the station or airport at that point
:
•
The bus reached its terminus at the city center.
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Our train will depart from the northern terminus.
2.
the end or final point of a process, series, or development
:
•
The project reached its terminus after years of hard work.
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This decision marks the terminus of their long-standing partnership.