The Spanish verb 'descargar' (meaning 'to unload' or 'to discharge') comes from the Latin word 'discarricare', which had the same meaning of 'to unload'. This Latin word was formed by combining two elements: the prefix 'dis-' (meaning 'away' or 'apart') and the verb 'carricare' (meaning 'to load'). The verb 'carricare' itself was derived from the Latin noun 'carrus', which meant 'cart' or 'wagon'. So literally, 'descargar' means to take something away from a cart or to reverse the action of loading.

Several common Spanish words share this same root. The verb 'cargar' (to load) comes directly from the same Latin 'carricare'. Other related words include 'cargo' (load, cargo), 'carga' (load, burden), and 'carro' (car, cart). You can see how all these words maintain a connection to the original concept of loading or carrying things, often in relation to vehicles or transportation.

Many English words are related to 'descargar' through the same Latin roots. 'Charge' and 'discharge' are direct cognates, with 'discharge' being particularly close in both meaning and formation to 'descargar'. The word 'cargo' exists in English with the same meaning as in Spanish. Even the word 'car' is distantly related, as it comes from the same Latin 'carrus' that gave us these words about loading and carrying. The prefix 'dis-' is also commonly used in English (as in 'disconnect', 'disappear') with the same meaning of reversal or separation.