'investment-heavy' originates from the combination of 'investment' and 'heavy', where 'investment' refers to the act of putting money into something for profit, and 'heavy' implies a large amount or degree.

'investment-heavy' is a modern English term that combines the noun 'investment' with the adjective 'heavy' to describe something that requires a lot of investment.

Initially, it meant 'requiring a lot of investment', and this meaning has remained consistent in modern usage.