'Anura' originates from New Latin, specifically from the Greek word 'anouros' (ἀνούρος), where the prefix 'a-' meant 'without' and 'oura' meant 'tail'.

'Anura' was formed from Ancient Greek 'anouros' (ἀνούρος, 'without a tail') and adopted into New Latin as the name of the frog order in modern biological classification.

Initially it literally meant 'without a tail'; over time it became the scientific name for the group of tailless amphibians now called 'Anura'.