้

◌้ U+0E49, ้ THAI CHARACTER MAI THO ← ◌่ [U+0E48] Thai ◌๊ → [U+0E4A]

Thai

Diacritical mark

◌้

1. The diacritical mark called "mai tho" - ไม้โท (mái-too): it is the second of the Thai language's four tone marks. For the low initial consonant class (of syllables), the mai tho implies a high tone. For the mid and the high initial consonant classes, the mai tho implies a falling tone.