acrophony
noun
acroph·o·ny
| \ ə-ˈkrä-fə-nē, a-\
plural -es
Definition of acrophony
1
: the application in the evolution of an alphabet of a pictorial symbol or hieroglyph for the name of an object to the initial sound alone of that name
2
: the naming of a letter by a word whose initial sound is the same as that which the letter represents
Keep scrolling for more