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.
... and was thus
enabled to support himself. Later he was admitted
to the Augustinian convent of Mount Saint Agnes
near Zwolle where his brother John had been ...