'clearly-determined' originates from the combination of 'clear' and 'determine,' where 'clear' meant 'free from doubt' and 'determine' meant 'to decide or settle.'

'clearly-determined' evolved from the Middle English word 'determinen,' which meant 'to settle or decide,' and 'clear,' which has maintained its meaning over time.

Initially, 'determine' meant 'to settle or decide,' and 'clear' meant 'free from doubt.' The combination has maintained a similar meaning in modern usage.