additional sign
any secondary grapheme that helps to correctly interpret the basic characters, e.g. dotting (niqqud) in Ivrith
en-GB/əˈdɪʃənl ˈsaɪn/
en-US/əˈdɪʃnəl ˈsaɪn/
any secondary grapheme that helps to correctly interpret the basic characters, e.g. dotting (niqqud) in Ivrith