Where does “अर्थशास्त्रक” come from?

अर्थशास्त्रक (Sanskrit) comes from Sanskrit अर्थ, from Proto-Indo-Iranian Hártʰam, from Proto-Indo-European h₁ert-, from Proto-Indo-European h₁er- — earth.

Ancestry of “अर्थशास्त्रक”, step by step

अर्थशास्त्रक traces back through two separate lines of ancestry.

via Sanskrit अर्थ

StepLanguageWordMeaning
1Sanskritअर्थaim, purpose, meaning; advantage; profit
2Proto-Indo-IranianHártʰamaffair, occurrence; object, thing; purpose
3Proto-Indo-Europeanh₁ert-earth
4Proto-Indo-Europeanh₁er-earth

via Sanskrit शास्त्र

StepLanguageWordMeaning
1Sanskritशास्त्रshastra, scripture; science, knowledge
2Proto-Indo-Aryanśāstra—
Every word from Proto-Indo-European h₁er- →Every word from Proto-Indo-European h₁ert- →Every word from Proto-Indo-Iranian Hártʰam →