To divide or separate a word into exactly two syllables.
From dissyllabic + -fy (suffix meaning to make or cause to be). This technical linguistic term was formed to express the action of creating or analyzing two-syllable structure.
Linguists don't often use this term because it's so specialized, but it's a perfect example of how English lets you build new technical terms by combining Latin/Greek roots with productive suffixes like '-fy' (as in 'clarify' or 'magnify').
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