Where does “ความอุบาทว์” come from?

ความอุบาทว์ (Thai) comes from Thai อุบาทว์, from Pali upaddava, from Sanskrit उपद्रव, from Sanskrit द्रव, from Sanskrit -अ, from Sanskrit भाग्य, from Sanskrit भाग, from Proto-Indo-Iranian bʰāgás — Paleo-Balkan oak.

Ancestry of “ความอุบาทว์”, step by step

ความอุบาทว์ traces back through two separate lines of ancestry.

via Thai อุบาทว์

StepLanguageWordMeaning
1Thaiอุบาทว์inauspicious; ill-fated, ill-omened;...
2Paliupaddavacalamity, danger, disaster, peril; distress;...
3Sanskritउपद्रवsudden disease
4Sanskritद्रवrunning (as a horse)
5Sanskrit-अ
6Sanskritभाग्यluck, destiny, fate, fortune, chance, welfare,...
7Sanskritभागpart, portion, share, allotment; compartment,...
8Proto-Indo-Iranianbʰāgásdivision; allotment
9Proto-Indo-Europeanbʰeh₂gósPaleo-Balkan oak

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter
Every word from Proto-Indo-European bʰeh₂gósEvery word from Sanskrit -अEvery word from Proto-Indo-Iranian bʰāgás
ความอุบาทว์ — Etymology, Origin & Word History | Etymology Explorer