'allophanamide' originates from 'Greek', specifically the word 'allos' meaning 'other' and 'phaino' meaning 'to show', combined with 'amide' from 'ammonia'.

'allophanamide' was derived from the combination of 'allophanic acid' and 'amide', eventually becoming the modern English word 'allophanamide'.

Initially, it referred to a specific chemical structure, and this meaning has largely remained the same in modern usage.