noun, plural a·croph·o·nies.
the use of what was originally a logogram as a phonetic symbol for the initial sound
of the word
the logogram represented, as, in Semitic writing, the use of a picture of a shepherd's crook to represent the sound (l), the first sound of lamed,
word for a shepherd's crook.
the use of a word as the name
of the alphabetical symbol representing the initial sound of that word.