Where does “मुखस्थ” come from?

मुखस्थ (Sanskrit) comes from Sanskrit मुख, from Proto-Indo-Iranian múkʰam, from Proto-Indo-Iranian múkHam.

Ancestry of “मुखस्थ”, step by step

मुखस्थ traces back through two separate lines of ancestry.

via Sanskrit मुख

StepLanguageWordMeaning
1Sanskritमुखmouth; face; visage
2Proto-Indo-Iranianmúkʰam—
3Proto-Indo-IranianmúkHam—

via Sanskrit स्थ

StepLanguageWordMeaning
1Sanskritस्थbuilding; establishing
2Sanskritस्थाto stand, station oneself, take up a position on;...
3Proto-Indo-European*steh₂-—
Every word from Proto-Indo-Iranian múkHam →Every word from Proto-Indo-Iranian múkʰam →Every word from Sanskrit मुख →