Where does “ความติ่ง” come from?

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

Ancestry of “ความติ่ง”, step by step

ความติ่ง traces back through two separate lines of ancestry.

via Thai ความ

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

via Thai ติ่ง

StepLanguageWordMeaning
1Thaiติ่งsmall flesh or bodily organ that hangs down from, grows out of, protrudes from, or is connected to a larger organ, as a vermiform appendix or the lobe of an ear
Every word from Proto-Tai ɣwaːmᴬEvery word from Thai ความ