The Spanish word 'punch' comes directly from English 'punch', referring to the mixed alcoholic beverage. The word has maintained the same spelling and meaning in both languages. While the etymology graph doesn't show earlier origins, it's worth noting that historically, the English word 'punch' (the beverage) is believed to have originated from Hindi 'pānč' meaning 'five', referring to the traditional five ingredients used in the drink: alcohol, sugar, lemon, water, and tea or spices.

There don't appear to be any simpler or more common Spanish words that are etymologically related to 'punch'. This is because it's a direct borrowing from English into Spanish relatively recently in linguistic history.

The English word 'punch' (the beverage) is identical to the Spanish word, as Spanish borrowed it directly from English. Note that this 'punch' is different from the English word 'punch' meaning 'to hit with a fist', which has a completely different etymology. The beverage meaning helps Spanish learners since it's exactly the same word with the same meaning in both languages, though Spanish speakers might pronounce it slightly differently.