Where does “ความชง” come from?

ความชง (Thai) comes from Thai ชง, from Chinese Mandarin 清, from Proto-Sino-Tibetan (t)s(j)aŋ — clear; pure; clean; clean; pure; clear.

Ancestry of “ความชง”, step by step

ความชง traces back through two separate lines of ancestry.

via Thai ชง

StepLanguageWordMeaning
1Thaiชงto prepare by brewing; to prepare by boiling; to...
2Chinese Mandarin
3Proto-Sino-Tibetan(t)s(j)aŋclear; pure; clean; clean; pure; clear

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter
Every word from Proto-Sino-Tibetan (t)s(j)aŋEvery word from Chinese Mandarin Every word from Thai ชง