คะ
kha · RTGS: kha
high
Tone
Initial
ค
Class
Low-class
Mark
None
Syllable
dead
Tone Rule
Low + Dead (short) = High
Why high tone?
Low-class consonants in dead syllables with short vowels produce High tone. The abrupt ending raises the pitch.
What is a dead syllable?
Dead syllable with short vowel (ends with a stop consonant or short vowel)
About Low-class consonants
Low-class consonants include ค, ฅ, ฆ, ง, ช, ซ, ฌ, ญ, ฑ, ฒ, ณ, ท, ธ, น, พ, ฟ, ภ, ม, ย, ร, ล, ว, ฬ, and ฮ. In live syllables without a tone mark, they produce a mid tone. They behave differently with tone marks compared to mid and high-class consonants.