'australorp' originates from English, specifically a contraction of 'Australian Orpington', where 'Australian' referred to the country of development and 'Orpington' referred to the English breed name.

'australorp' changed from the phrase 'Australian Orpington' used in the early 20th century to describe Orpington-type chickens developed in Australia and was eventually shortened to the modern breed name 'australorp'.

Initially, it meant 'an Australian strain of the Orpington chicken'; over time it evolved into the current meaning of 'the specific standardized breed known as the Australorp'.