initiale

initial (first letter of a word, of a name, of a first name); initial, onset (first consonantal phoneme in a syllable. Often used in the study of Chinese languages)

“Les initiales de son nom sont PQ.” — The initials of his name are PQ.

* (noun sense 1): Ellipsis of lettre initiale. * (noun sense 2): Ellipsis of consonne initiale.