ใช้
chai · RTGS: chai
use up (resources or materials), put into service; make work or employ for a particular purpose or for its inherent or natural purpose, use or manipulate to one's advantage, exploit the power of, take or consume (regularly or habitually)
บังคับให้ทำ; จับจ่าย; เอามาทำให้เกิดประโยชน์
Why high tone?
For low-class consonants, Mai Tho produces High tone (opposite of mid/high class!).
What is a dead syllable?
Dead syllable with long vowel (ends with a stop consonant)
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.