The Spanish word 'estética' (meaning 'aesthetics') traces its roots back to Ancient Greek. It begins with the Greek verb 'aisthanesthai' which meant 'to perceive by the senses.' From this verb came the adjective 'aisthetikos' meaning 'perceptible' or 'sensitive,' which then led to the feminine form 'aisthetike' meaning 'perception' or 'sensitivity.' In the modern era, this was adapted into New Latin as 'aesthetica' specifically to refer to aesthetics as a philosophical discipline. Finally, it was borrowed into Spanish as 'estética,' maintaining its connection to the study and perception of beauty and artistic taste.

Some related Spanish words include 'estético/a' (aesthetic, beautiful), 'esteticista' (beautician), and 'esteticismo' (aestheticism). All these words share the same Greek root and relate to concepts of beauty and artistic appreciation.

English speakers might recognize the connection to words like 'aesthetic' and 'aesthetics,' which come from the same Greek source. The English and Spanish terms developed parallel to each other from the same Greek and New Latin roots, both preserving the original meaning related to sensory perception and beauty. While English maintained the 'ae' spelling from the Greek through Latin, Spanish simplified it to 'e' following Spanish phonetic patterns.