The name Promontorium Taenarium was first used by Johannes Hevelius in his 1647 map of the Moon, but this refers to a bright point at crater Guericke B. Taenarium refers to Cape Tainaron (known as Cape Matapan), the southernmost point of the Peloponnese peninsula of Greece.
References
^ "Promontorium Taenarium". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
^Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p. 208.