entry
terrestrial
/təˈrɛstriəl/Of, living on, or relating to Earth
From Latin terra (earth).
from Middle English terrestrialle
Word Ancestry
from Middle English terrestrialle
Picture a medieval scholar pointing downward—not toward heaven, but toward the solid floor beneath his shoes—and saying terra, Latin for “earth.” By the late 1300s, terrestrial had become the useful opposite of celestial: one word for the dusty, changeable world below and another for the supposedly perfect heavens above. The word later acquired a natural-history job description, “living on land,” in the 1630s, and by 1888 it could describe planets that resembled Earth. Its cosmic career has a delicious twist: the same label that sounds scientific can also mean an ordinary human being, while modern science places us among the extraterrestrials’ hypothetical neighbors. Remember terrestrial as “terra with a passport”: wherever Earth’s land—or its inhabitants—go, the word can follow.
The Story
Picture a medieval scholar pointing downward—not toward heaven, but toward the solid floor beneath his shoes—and saying terra, Latin for “earth.” By the late 1300s, terrestrial had become the useful opposite of celestial: one word for the dusty, changeable world below and another for the supposedly perfect heavens above. The word later acquired a natural-history job description, “living on land,” in the 1630s, and by 1888 it could describe planets that resembled Earth. Its cosmic career has a delicious twist: the same label that sounds scientific can also mean an ordinary human being, while modern science places us among the extraterrestrials’ hypothetical neighbors. Remember terrestrial as “terra with a passport”: wherever Earth’s land—or its inhabitants—go, the word can follow.
Modern Usage
A person or group regarded as belonging to Earth rather than to one particular country
Notable References
- Urban Dictionary entry describing a globally influential person as a “Terrestrial”
Kin & Kindred
From 'terra'·earth, land, ground
Derived Terms
English words from this root