U+16B31 "𖬱" Pahawh Hmong Mark Cim So Unicode Character

U+16B31 "𖬱" Pahawh Hmong Mark Cim So is a diacritical mark used in the Pahawh Hmong script, which was invented in the 20th century by Shong Lue Yang to write the Hmong language. This specific mark, "Cim So," functions as a tone indicator, specifically indicating a falling or mid-falling tone, essential for accurately representing the tonal system of Hmong. It is applied to the left or above vowel characters within a syllable block, modifying the pronunciation of the word. The inclusion of this character in Unicode ensures that the Pahawh Hmong script can be digitally represented and preserved, supporting literacy and cultural heritage among Hmong communities.