Where does “ความโกรธ” come from?

ความโกรธ (Thai) comes from Thai โกรธ, from Sanskrit क्रोध, from Sanskrit क्रुध्, from Proto-Indo-Iranian krawdʰ- — to be angry, enraged.

Ancestry of “ความโกรธ”, step by step

ความโกรธ traces back through two separate lines of ancestry.

via Thai โกรธ

StepLanguageWordMeaning
1Thaiโกรธangry
2Sanskritक्रोधanger, wrath
3Sanskritक्रुध्to become angry, be wrathful
4Proto-Indo-Iraniankrawdʰ-to be angry, enraged

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter
Every word from Proto-Indo-Iranian krawdʰ- →Every word from Sanskrit क्रुध् →Every word from Sanskrit क्रोध →