U+0DDB "ෛ" Sinhala Vowel Sign Kombu Deka Unicode Character

U+0DDB "ෛ" Sinhala Vowel Sign Kombu Deka is a combining diacritical mark used in the Sinhala script to represent a specific vowel sound, typically transliterated as "ai" or "e" in Romanized forms. It resembles two curved marks placed above the base consonant character and historically functions as a dependent vowel sign, altering the inherent vowel of the consonant it combines with to produce a diphthong or long vowel sound. This character is essential for accurate representation of Sinhala phonetics in digital text and is part of the Sinhala block in Unicode, supporting proper rendering of words in the Sinhala language.