U+17BF "ឿ" Khmer Vowel Sign Ya Unicode Character

U+17BF "ឿ" Khmer Vowel Sign Ya is a combining vowel mark used in the Khmer script, primarily for writing the Khmer language of Cambodia. This character represents the sound of a long diphthong, typically pronounced like "ea" in the English word "ear" or "ia" in "piano," and it appears as a diacritical sign placed below or attached to a base consonant to modify its vowel sound. It is an essential part of the Khmer orthographic system, enabling precise representation of complex vowel structures within the language's syllabic writing.