'aeolsklavier' originates from German, specifically the word 'Äolsklavier', where 'Äol' refers to 'Aeolus', the Greek god of the winds, and 'klavier' means 'keyboard'.

'Äolsklavier' was a term used in the 19th century to describe a keyboard instrument that utilized free reeds to produce sound, eventually becoming known as 'aeolsklavier' in English.

Initially, it referred to a specific type of keyboard instrument, and this meaning has largely remained the same in modern usage.