The story
The Egyptological sense was apparently coined by Alan Gardiner in his 1927–1957 Egyptian Grammar.
Etymology from Wiktionary, CC BY-SA 4.0.
phonetic determinative
Today it means: a type of hieroglyph that functions similarly to a phonogram, representing a series of consonants, but is unable to function autonomously and must follow other phonograms that together represent the same consonants Full definition →