Subterranean
/ˌsʌb.təˈreɪ.ni.ən/noun
Located or occurring beneath the earth's surface.
Did you know?Its Latin ancestors, *sub* + *terra*, gave English one of its most evocative spatial words, and the same root *terra* also lives in words like *terrain* and *terrace*.
Etymological Timeline
Proto-Indo-European
PIE
*ters-
“to dry; dry land”
Latin
Latin
terra
“earth, land”
Classical Latin
Latin
subterraneus
“underground, beneath the earth”
Late Latin
Latin
subterraneus
“under the earth; underground”
14th–15th Century
English
subterrane
“something beneath the earth; underground region”
Modern English
English
subterranean
“beneath the earth's surface; underground”
Explore more surprising origins