Where does “ความขัดแย้ง” come from?

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

Ancestry of “ความขัดแย้ง”, step by step

ความขัดแย้ง traces back through two separate lines of ancestry.

via Thai ความ

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

via Thai ขัดแย้ง

StepLanguageWordMeaning
1Thaiขัดแย้งto be contrary; to be in conflict; to be...
2Thaiขัดto obstruct; to hinder; to oppose; to object; to...
Every word from Proto-Tai ɣwaːmᴬEvery word from Thai ความ