'acrobryous' originates from Greek, specifically the word 'akros' meaning 'topmost' and 'bryein' meaning 'to grow'.

'akros' and 'bryein' combined to form the Greek word 'akrobryos', which eventually became the modern English word 'acrobryous'.

Initially, it meant 'growing at the top', and this meaning has largely remained the same in modern usage.