e/Havlik's law

Information
has gloss	eng: Havlíks law is a Slavic rhythmic law dealing with the reduced vowels (known as jers or yers) in Proto-Slavic. It is named for the Czech scholar Antonín Havlík (1855-1925), who determined the pattern in 1889. While Havlíks law was a precursor to the loss of the jers, that process is part of the individual history of the various Slavic languages. Havlík's law was already in effect at the end of the Common Slavic period, and ended the era of the "law of open syllables", a major phonological innovation of Common Slavic period.
lexicalization	eng: Havlik's law
lexicalization	eng: Havlík's law
instance of	c/Sound laws