'unrushed' originates from the prefix 'un-' meaning 'not' and the word 'rushed', which comes from the Old English 'ryscian', meaning 'to move swiftly'.

'rushed' evolved from the Old English 'ryscian' and eventually became the modern English word 'rush'. The prefix 'un-' was added to form 'unrushed'.

Initially, 'rush' meant 'to move swiftly', and 'unrushed' has maintained the meaning of 'not moving swiftly'.