The Spanish word 'tragón' (meaning 'glutton') comes from combining the verb 'tragar' ('to swallow') with the augmentative suffix '-ón'. The verb 'tragar' itself can be traced back to the Latin 'tragare' meaning 'to swallow', which ultimately derives from the Ancient Greek 'τράγω' (trago) meaning 'to eat' or 'devour'. The augmentative suffix '-ón' adds the sense of excess or intensity, thus a 'tragón' is literally someone who swallows a lot - a glutton or big eater.

The most common related Spanish word is the verb 'tragar' (to swallow), which you'll hear in everyday Spanish. You might also encounter 'trago' (a drink or sip) and 'tragada' (the act of swallowing). These all share the same root meaning related to consuming or swallowing.

While English doesn't have many common words directly related to the Greek 'τράγω', we do have some technical terms like 'tragacanth' (a natural gum used in food) and medical terms like 'tracheotomy' that share some ancient connections to the concept of the throat and swallowing. However, these connections are quite distant and might not be immediately helpful for Spanish learners.