The word "驿站" is formed by combining the character "驿", which itself is a phono-semantic compound consisting of the semantic component "马" (horse) to denote its association with equestrian relay systems and the phonetic component "睪" (yì) to suggest pronunciation, with the character "站", another phono-semantic compound comprising the semantic component "立" (to stand) to imply a stopping place and the phonetic component "占" (zhàn) to indicate sound; together, these characters semantically merge to designate a historical relay station for horses or messengers.