U+1A6C "ᩬ" Tai Tham Vowel Sign Oa Below Unicode Character
Unicode Version 17.0
ᩬ
U+1A6C "ᩬ" Tai Tham Vowel Sign Oa Below is a combining diacritical mark used in the Tai Tham script, which is historically employed to write languages such as Northern Thai (Lan Na), Tai Lue, and Khün. This specific vowel sign is placed beneath a consonant to represent the phoneme "oa" or a similar diphthong sound, altering the syllable's pronunciation from its inherent vowel. Its inclusion in the Unicode Standard ensures that digital text in these traditional Southeast Asian scripts can be accurately encoded, preserved, and rendered across modern platforms and fonts.
General Properties
| Code Point | U+1A6C |
| Version Added | 5.2 |
| Name | Tai Tham Vowel Sign Oa Below |
| Block | Tai Tham |
| General Category | Nonspacing Mark |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Nonspacing Mark |
Encodings
| HTML Decimal Encoding | ᩬ |
| HTML Hex Encoding | ᩬ |
| UTF-8 Encoding | 0xE1 0xA9 0xAC |
| UTF-16 Encoding | 0x1A6C |
| UTF-32 Encoding | 0x00001A6C |
| C/C++/Java Escape | \u1a6c |