'incrementally-built' originates from the combination of 'incremental' and 'build', where 'incremental' comes from the Latin 'incrementum', meaning 'growth' or 'increase', and 'build' from Old English 'byldan', meaning 'to construct'.

'incremental' evolved from the Latin 'incrementum' through Middle English, while 'build' transformed from Old English 'byldan' to the modern English 'build'.

Initially, 'incremental' meant 'growth or increase', and 'build' meant 'to construct'. Over time, 'incrementally-built' evolved to mean 'constructed in small, gradual steps'.