Protosyllable

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A vocalization in speech that is the precursor to a syllable.
  2. 2
    A rhythmic precursor to a syllable in birdsong.

Etymology

From proto- + syllable.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.