Where does “अर्थ” come from?

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

Ancestry of “अर्थ”, step by step

Step	Language	Word	Meaning
1	Sanskrit	अर्थ	aim, purpose, meaning; advantage; profit
2	Proto-Indo-Iranian	Hártʰam	affair, occurrence; object, thing; purpose
3	Proto-Indo-European	h₁ert-	earth
4	Proto-Indo-European	h₁er-	earth

Words derived from “अर्थ”

अर्थ

Every word from Proto-Indo-European h₁er- →Every word from Proto-Indo-European h₁ert- →Every word from Proto-Indo-Iranian Hártʰam →