assibilation

nouns

the development of a consonant phoneme into a sibilant
assibilation
is derived from
assibilate
is a type of (narrower)
a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)
"the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer"
development, evolution
pronunciation with a sibilant (hissing or whistling) sound
assibilation, sibilation
is derived from
assibilate
is derived from
assibilate