The process of doubling, duplicating, or making something twofold.
From 'duplificate' (an archaic or rare form meaning 'to double') combined with the suffix '-tion' forming a noun. This is an extremely rare term in modern English.
While 'duplification' barely exists in modern English, it shows how language builders try systematic combinations—'dupli-' + '-fic' (to make) + '-ation' (process). It's grammatically sound but historically lost!
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