ค่ะ
kha · RTGS: kha
falling
Tone
Initial
ค
Class
Low-class
Mark
Mai Ek
(่)
Syllable
dead
Tone Rule
Low + Mai Ek = Falling
Why falling tone?
For low-class consonants, Mai Ek produces Falling tone (different from mid/high class!).
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.