Where does “ความซวย” come from?

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

Ancestry of “ความซวย”, step by step

ความซวย traces back through two separate lines of ancestry.

via Thai ความ

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

via Thai ซวย

StepLanguageWordMeaning
1Thaiซวยluckless; unlucky; unfortunate; inauspicious;...
2Hokkien衰to have poor luck
Every word from Proto-Tai ɣwaːmᴬ →Every word from Thai ความ →