what is the tick mark called above a letter
A diacritic /daÉª.ÉËkrÉªtÉªk/ â also diacritical mark, diacritical point, or diacritical sign â is a glyph added to a letter, or basic glyph.The term derives from the Greek Î´Î¹Î±ÎºÏÎ¹ÏÎ¹ÎºÏÏ (diakritikos, diakritikÃ³s), distinguishing which is composed of the Ancient greek (Î´Î¹Î¬, dia) diÃ¡ through (and ÎºÏÎ¯Î½Ï krinein, krÃ­nein or). krino krÃ­no to separateiacritic is primarily an adjective, though sometimes used as a noun, whereas diacritical is only ever an adjective. Some diacritical marks, such as the acute (Â´) and grave (`), are often called accents.