A hacek or háček (pronounced "'hatchek") is a diacritic (also known as a "caron") placed over certain letters to indicate palatalization[?] in the orthography of some Slavonic languages, such as Czech, and the Baltic languages and Estonian. It looks like an inverted circumflex and its name means "little hook" in Czech.
... traverse it from north to south, reaching 2000 to 5000 ft. The Western-Sakhalin Mountains peak in Mt. Ichara, 4860 ft., while the Eastern-Sakhalin Mountains's highest ...