Where does “terrestrial” come from?

Terrestrial comes from Latin terrestris, derived from Latin terra meaning "earth," which traces to Proto-Indo-European ters- meaning "to dry."

terrestrial (English): A ground-dwelling plant; Alternative letter-case...

Definitions

  1. A ground-dwelling plant; Alternative letter-case...

Ancestry of “terrestrial”, step by step

StepLanguageWordMeaning
1LatinterrestrisOf or pertaining to the earth or land;...
2LatinTerraTerra goddess of the Earth
3Proto-Indo-Europeanters-dry
Every word from Proto-Indo-European ters-