The Spanish word 'ropero' (meaning 'wardrobe' or 'clothes seller') comes from combining the Spanish word 'ropa' (meaning 'clothing') with the suffix '-ero' (which forms nouns indicating a place or person associated with something). The word 'ropa' itself has an interesting history - it comes from Medieval Latin 'raupa' meaning 'clothing' or 'garments', which in turn derives from Gothic '*raupa' meaning 'booty' or 'plunder'. This semantic shift from 'plunder' to 'clothing' likely occurred because clothing was often part of the spoils of war in ancient times.

Several common Spanish words are related to 'ropero' through the root 'ropa'. The most basic is 'ropa' itself, meaning 'clothing' or 'clothes'. You might also encounter 'ropa interior' (underwear), 'ropa de cama' (bedding), or 'guardarropa' (wardrobe/closet). All these words share the basic meaning related to clothing or textile items.

While English doesn't have any direct cognates from the Gothic '*raupa', we can find many English words that use the '-er' suffix in a similar way to Spanish '-ero' to indicate a person or place associated with something, such as 'baker' (from 'bake'), 'teacher' (from 'teach'), or 'locker' (from 'lock'). This parallel in suffix usage can help English speakers understand how 'ropero' is formed from 'ropa'.