The Spanish word 'pantalla' (meaning 'screen') has an interesting etymology that involves a blend of two Latin words through Catalan. It comes from the merger of two Catalan words: 'pàmpol' (meaning 'lamp shade') and 'ventalla' (meaning 'lamp shade, screen'). The Catalan 'pàmpol' derives from Latin 'pampinus' meaning 'vine leaf', likely due to the similar shape and protective function of both vine leaves and lamp shades. Meanwhile, 'ventalla' comes from Latin 'ventaculum' meaning 'fan', another flat object used for protection or coverage. These two Catalan words merged to form Catalan 'pantalla', which was then borrowed into Spanish with the same form and meaning.

While 'pantalla' itself is a commonly used Spanish word for both physical screens (like computer monitors or TV screens) and metaphorical screens or shields, there aren't many simpler or more common Spanish words that are directly etymologically related to it, as it entered Spanish as a complete borrowing from Catalan.

While there aren't any common English words directly related to 'pantalla', English speakers might find it interesting that the word 'pampiniform' (meaning 'shaped like a vine leaf', used mainly in medical terminology) shares a root with one of the Latin ancestors of 'pantalla', coming from Latin 'pampinus' (vine leaf). The connection between a vine leaf's protective, covering nature and a modern screen's function might help English speakers remember the meaning of 'pantalla'.