Where does “การยิ้ม” come from?

การยิ้ม (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 “การยิ้ม”, step by step

การยิ้ม 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 ยิ้ม

StepLanguageWordMeaning
1Thaiยิ้มsmile; to smile; to fuck: to have sex
Every word from Proto-Indo-European kʷer-Every word from Sanskrit कृEvery word from Sanskrit कार
การยิ้ม — Etymology, Origin & Word History | Etymology Explorer