Where does “hyperdissyllable” come from?

hyperdissyllable (English) comes from English dissyllable, from English disyllable, from English syllable, from Middle English syllable, from Anglo-Norman sillable, from Old French sillebe, from Latin syllaba, from Ancient Greek συλλαβή — beside, with.

Ancestry of “hyperdissyllable”, step by step

hyperdissyllable traces back through two separate lines of ancestry.

via English dissyllable

StepLanguageWordMeaning
1EnglishdissyllableAlternative form of disyllable
2EnglishdisyllableA word comprising two syllables
3EnglishsyllableA unit of human speech that is interpreted by the...
4Middle Englishsyllable
5Anglo-Normansillablesyllable
6Old Frenchsillebe
7Latinsyllabasyllable; poems, verses
8Ancient Greekσυλλαβήconception, pregnancy; that which holds together,...
9Ancient GreekσυλλαμβάνωI collect, gather; I rally; I take hold of,...
10Ancient Greekσῠν-together; with, together
11Ancient Greekσύνbeside, with
12Proto-Hellenic*ksúnbeside, with

via English hyper

StepLanguageWordMeaning
1Englishhyperhyperactive; energetic; overly diligent;...
Every word from Proto-Hellenic *ksún