The Spanish word 'escorpio' (meaning 'scorpion') comes from the Latin word 'scorpio', which in turn was borrowed from the Ancient Greek 'σκορπίος' (skorpios). When the word entered Spanish, it gained the initial 'e-' sound, which is a common Spanish adaptation of Latin words beginning with 's' followed by a consonant (similar to how Latin 'schola' became Spanish 'escuela').

Some related Spanish words include 'escorpión' (another word for scorpion) and 'Escorpio' (the zodiac sign Scorpio). These all share the same etymological root.

English speakers can easily remember 'escorpio' by connecting it to the English word 'scorpion' and 'Scorpio' (the zodiac sign), which come from the same Latin source. The main difference is the Spanish addition of the initial 'e-' sound.