catalejo
telescope
cata-
to view, to see
+
lejos
far
Catalejo means telescope and can be thought of as cata-0 (to view0) + lejos1 (far1), literally meaning 'to view far'.
noun
- telescopeA handheld optical instrument with a lens or combination of lenses for viewing distant objects.El capitán usó su catalejo para observar la costa lejana. // The captain used his telescope to observe the distant coast.