Geresh

Geresh (׳‎ in Hebrew: גֶּרֶשׁ‎^[1] or גֵּרֶשׁ‎^[2][3] [ˈɡeʁeʃ], or medieval [ˈɡeːɾeːʃ]) is a sign in Hebrew writing. It has two meanings.

1. An apostrophe-like sign (also known colloquially as a chupchik)^[4] 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,^{[citation needed]} (examples below)
   • as a punctuation mark to denote initialisms or abbreviations,
   • or to denote a single-digit Hebrew numeral
2. 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.