Bansiot: The Lost Triangle Consonant of Middle Korean
In the evolution of the Korean writing system, not every character survives the passage of time. One such fascinating relic is Bansiot (letter: ㅿ), an archaic consonant of the Hangul alphabet. Often referred to by its descriptive name, samgakhyeong (meaning "triangle"), this letter once played a specific role in the phonetic landscape of Middle Korean before disappearing from common usage.
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Key Facts
- Name: Bansiot (Korean: 반시옷)
- Shape: Often called samgakhyeong (triangle)
- Sound Value: Most scholars identify it as the voiced alveolar fricative [z]
- Status: Archaic; fell out of use around the late 16th century
- Unicode: U+317F, U+1140, U+11EB
The Phonetics and Usage of ㅿ
Bansiot served as the voiced counterpart to the consonant ㅅ. In the linguistic structure of Middle Korean, its application was somewhat specialized. It was most frequently found in the medial position—meaning it appeared within a word rather than at the very beginning or the very end.
However, there were exceptions to this rule. In certain instances, ㅿ was used as an initial consonant to represent specific sounds from Late Middle Chinese. For example, words like ᅀᅵᆯ (day) or ᅀᅵᆫ (man) utilized the letter, with its Sino-Korean pronunciation potentially sounding like [ʐ]. Early Hangul texts, such as the Yongbiŏch'ŏn'ga, also show instances where it was used similarly to the saisiot.
The Disappearance of the Phoneme
By the 1570s and 1580s, the sound represented by Bansiot began to vanish from the Korean language. As the phoneme itself disappeared, the letter lost its functional necessity. The way words changed during this transition provides a window into the historical shift of the language:
- Complete Loss: In some words, the sound simply vanished. For instance, the Middle Korean word ᄆᆞᅀᆞᆶ (village) evolved into the modern Standard Korean word 마을.
- Vowel Contraction: In other cases, the loss of ㅿ between adjacent vowels resulted in a simplified word with a long vowel, such as 기ᅀᅳᆷ〮 becoming 김 (gim).
- Substitution: In rare instances, it was replaced by the consonant ㅅ, while in other cases, its role was eventually taken over by ㅇ.
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Technical Specifications and Unicode
For modern linguists and digital historians, Bansiot is preserved through specific Unicode encodings. Because it can function in different positions within a syllable block, it is represented by several different codes.
| Unicode Name | Hexadecimal | Decimal |
|---|---|---|
| HANGUL LETTER PANSIOS | U+317F | 12671 |
| HANGUL CHOSEONG PANSIOS | U+1140 | 4416 |
| HANGUL JONGSEONG PANSIOS | U+11EB | 4587 |
Frequently Asked Questions
What does the name "Bansiot" mean?
The name is a combination of "ban" and "siot," referring to its relationship to the existing Hangul consonant ㅅ (siot).
Why is it sometimes called a "triangle"?
It is called samgakhyeong (triangle) due to its visual shape, which resembles a triangle.
What sound did ㅿ make?
While debated, most linguistic scholars believe it represented the voiced alveolar fricative [z], similar to the English "z" sound.
When did Bansiot stop being used?
The letter fell out of significant use during the late 16th century, specifically around the 1570s or 1580s, as the sound it represented disappeared from the language.
How did the loss of ㅿ affect modern Korean words?
The loss of the letter led to various linguistic changes, including the simplification of words, the creation of long vowels, or the replacement of the sound with other consonants like ㅅ or ㅇ.