The Spanish word 'turismo' (tourism) has an interesting journey that starts in ancient Greek. It comes from the Greek word 'tornos', which meant a 'lathe' or 'turning tool'. This word was borrowed into Latin as 'tornus' (lathe) and developed into the verb 'tornare' meaning 'to turn in a lathe'. The word then evolved in French to 'tourner' meaning 'to turn' and the related noun 'tour' meaning a 'turn' or 'circuit'. From this French word, English developed 'tourism' to describe traveling in a circuit or round trip for pleasure. Spanish then borrowed this concept as 'turismo' with the same meaning of leisure travel.

Some related Spanish words include 'turista' (tourist), 'turístico' (touristic), and 'torno' (lathe, turning wheel). The word 'torno' maintains a meaning closer to the original Greek and Latin roots of a turning device, while 'turismo' evolved to describe the act of making a round trip or circuit for pleasure.

English speakers can easily relate 'turismo' to the English word 'tourism', as they're direct cognates. Other related English words include 'tour', 'tourist', and 'touristic'. The word 'turn' is also distantly related, sharing the same ancient roots about rotating or moving in a circuit. This connection makes sense when you think about tourism as originally meaning traveling in a circuit or making a round trip.