Where does “การเพ้อฝัน” come from?

การเพ้อฝัน (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 “การเพ้อฝัน”, step by step

การเพ้อฝัน traces back through two separate lines of ancestry.

via Thai การ

StepLanguageWordMeaning
1Thaiการwork; matter; task; affair; prefixed to nouns to...
2Palikāradeed; doing, manner; production, application
3Sanskritकारgain, prize, booty; contest, war; an act, action
4Sanskritकृto make
5Proto-Indo-Europeankʷer-to do; to make; to build

via Thai เพ้อฝัน

StepLanguageWordMeaning
1Thaiเพ้อฝันto daydream; to fancy; to be delusional
2Thaiฝันdream; to dream
3Proto-Taihwanᴬdream
Every word from Proto-Indo-European kʷer-Every word from Sanskrit कृEvery word from Sanskrit कार