Where does “ความชัง” come from?

ความชัง (Thai) comes from Thai ความ, from Proto-Tai ɣwaːmᴬ — matter.

Ancestry of “ความชัง”, step by step

ความชัง traces back through two separate lines of ancestry.

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter

via Thai ชัง

StepLanguageWordMeaning
1Thaiชังto dislike; to hate
2Proto-Taiɟaŋᴬto hate
Every word from Proto-Tai ɣwaːmᴬ →Every word from Thai ความ →
ความชัง — Etymology, Origin & Word History | Etymology Explorer