Where does “การเกรง” come from?

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

Ancestry of “การเกรง”, step by step

การเกรง traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Thai	การ	work; matter; task; affair; prefixed to nouns to...
2	Pali	kāra	deed; doing, manner; production, application
3	Sanskrit	कार	gain, prize, booty; contest, war; an act, action
4	Sanskrit	कृ	to make
5	Proto-Indo-European	kʷer-	to do; to make; to build

Step	Language	Word	Meaning
1	Thai	เกรง	to fear; to worry
2	Old Khmer	ក្រេង	to be fearful, afraid, frightened; to be timid,...