'fertility' originates from Latin, specifically the word 'fertilitas,' where 'fertilis' meant 'fruitful.' 'Boost' originates from Middle English, possibly from the Dutch word 'boosten,' meaning 'to push or lift.'

'Fertility' changed from the Latin word 'fertilitas' and eventually became the modern English word 'fertility.' 'Boost' evolved from the Middle English word 'boosten' to the modern English 'boost.'

Initially, 'fertility' meant 'fruitfulness or productivity,' and this meaning has largely remained the same in modern usage. 'Boost' originally meant 'to push or lift,' and now it also means 'to enhance or increase.'