'train' originates from Old French, specifically the word 'trahiner,' where 'tra-' meant 'to pull' and '-hiner' meant 'to drag.'

'trahiner' transformed into the Middle English word 'trayne,' and eventually became the modern English word 'train.'

Initially, it meant 'to pull or drag something,' but over time it evolved into its current meanings of 'a series of connected vehicles' and 'to instruct or teach.'