The Spanish word 'ventosa' comes from Late Latin 'ventosa', meaning 'cupping glass' (a medical device used in ancient medicine). The Late Latin term was formed by combining the Latin word 'ventus' meaning 'wind' with the feminine adjectival suffix '-osa'. The term likely developed this meaning because cupping glasses create suction (like wind) when applied to the skin for therapeutic purposes.

Some simpler Spanish words sharing this etymology include 'viento' (wind), 'ventilador' (fan), and 'ventana' (window). All these words stem from Latin 'ventus' (wind) - windows allow wind to enter, fans create wind movement, and 'viento' directly means wind.

English words related to 'ventosa' through the Latin root 'ventus' include 'ventilate', 'vent', and 'wind'. The connection is clear in 'ventilate' and 'vent', which both relate to air movement. While 'wind' might look different, it shares the same ancient Indo-European root that gave Latin 'ventus'.