Geresh

Geresh (׳ in Hebrew: גֶּרֶשׁ or גֵּרֶשׁ [ˈɡeʁeʃ], or medieval [ˈɡeːɾeːʃ]) is a sign in Hebrew writing. It has two meanings. An apostrophe-like sign (also known colloquially as a chupchik) placed after a letter: as a diacritic that modifies the pronunciation of some letters (only in modern Hebrew), as a diacritic that signifies Yiddish origin of a word or suffix, (examples below) as a punctuation mark to denote initialisms or abbreviations, or to denote a single-digit Hebrew numeral A note of cantillation in the reading of the Torah and other Biblical books, taking the form of a curved diagonal stroke placed above a letter.