Where does “គណិត” come from?

គណិត (Khmer) comes from Sanskrit गणित, from Sanskrit शास्त्र, from Proto-Indo-Aryan śāstra.

Ancestry of “គណិត”, step by step

StepLanguageWordMeaning
1Sanskritगणितmathematics
2Sanskritशास्त्रshastra, scripture; science, knowledge
3Proto-Indo-Aryanśāstra—
Every word from Proto-Indo-Aryan śāstra →Every word from Sanskrit शास्त्र →Every word from Sanskrit गणित →