szkszavú
Szkszavú is a term that appears in some historical linguistic contexts, primarily related to the study of Slavic languages. It is not a widely recognized or standardized linguistic term, but rather a descriptive one that has been used by certain scholars to categorize specific phonetic features or phonetic shifts within proto-Slavic or early Slavic dialects.
The term itself is generally understood to refer to a hypothetical sound or a set of sounds
Scholars who utilize this term are often attempting to provide a more detailed account of the sound