acrophone

From acro- +‎ -phone.

acrophone (plural acrophones)

1. (linguistics, archaeology) The first sound of a word, or a glyph used to represent the first sound of the word it represents
   • 1999, G. Brian Thompson et al., “Learning correspondences between letters and phonemes without explicit instruction”, in Applied Psycholinguistics, →DOI:

     There were three classes of predicted knowledge sources: (a) induced sublexical relations (i.e., induction of orthographic–phonological relations from the experience of print words), (b) acrophones from letter names, and (c) transfer from spelling experience.

   • 2006, Gordon James Hamilton, The origins of the West Semitic alphabet in Egyptian scripts‎, page 26:

     Where there are no certain cognates to an acrophone, but the identity of its letter is secure, I shall reconstruct the translation in square brackets.

• acrophony

• Acrophony on Wikipedia.Wikipedia