Where does “การ” come from?

การ (Thai) comes from Pali kāra, from Sanskrit कार, from Sanskrit कृ, from Proto-Indo-European kʷer- — to do; to make; to build.

การ (Thai): work; matter; task; affair; prefixed to nouns to...

Definitions

Step	Language	Word	Meaning
1	Pali	kāra	deed; doing, manner; production, application
2	Sanskrit	कार	gain, prize, booty; contest, war; an act, action
3	Sanskrit	कृ	to make
4	Proto-Indo-European	kʷer-	to do; to make; to build