'dangerously-combined' originates from the words 'dangerous' and 'combine,' where 'dangerous' meant 'full of danger' and 'combine' meant 'to bring together.'

'dangerous' changed from the Old French word 'dangereus' and 'combine' from the Latin word 'combinare,' eventually forming the modern English term 'dangerously-combined.'

Initially, 'dangerous' meant 'full of danger,' and 'combine' meant 'to bring together.' The combined term 'dangerously-combined' evolved to describe a risky combination.