Where does “ความพิบัติ” come from?

ความพิบัติ (Thai) comes from Thai พิบัติ, from Pali vipatti, from Pali patti, from Sanskrit पत्ति, from Proto-Indo-Iranian *patˢtíš, from Proto-Indo-European pēd-, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

Ancestry of “ความพิบัติ”, step by step

ความพิบัติ traces back through two separate lines of ancestry.

via Thai พิบัติ

StepLanguageWordMeaning
1Thaiพิบัติdanger, peril; disaster, calamity; destruction, ruination
2Palivipattifailure; misfortune; distress
3Palipattiarrival; attainment; gain
4Sanskritपत्तिgoing, moving, walking; infantry, soldier, hero
5Proto-Indo-Iranian*patˢtíša foot soldier, infantryman
6Proto-Indo-Europeanpēd-foot
7Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pēd-Every word from Proto-Indo-Iranian *patˢtíš
ความพิบัติ — Etymology, Origin & Word History | Etymology Explorer