superficie
/supeɾˈfiθje/ · B1 · noun · f
surface
🌊 super + ficie (face): the top face of something, its surface
From Latin superficies: super (above) + facies (face, form). It is the outer face of a thing, which is also how English got surface (sur + face) and superficial. A second meaning is land area: una superficie de 50 m².