Where does “การประมาณ” come from?

การประมาณ (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 “การประมาณ”, step by step

การประมาณ 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 ประมาณ

StepLanguageWordMeaning
1Thaiประมาณto measure, to determine; to approximate, to...
2Sanskritप्रमाणproof, authority; any proof, testimony, or...
3Proto-Indo-IranianpramaHnam
4Proto-Indo-European*meh₁nom
5Proto-Indo-Europeanmeh₁-to measure
Every word from Proto-Indo-European kʷer-Every word from Sanskrit कृEvery word from Sanskrit कार