LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

subterreus

subterreus (feminine subterrea, neuter subterreum)
Classical[sʊpˈtɛr.re.ʊs]Ecclesiastical[subˈtɛr.re.us]

Meaning

  1. adjectiveunderground, subterranean

Declension

singular
formmasculinefeminineneuter
nominativesubterreussubterreasubterreum
genitivesubterreīsubterreaesubterreī
dativesubterreōsubterreaesubterreō
accusativesubterreumsubterreamsubterreum
ablativesubterreōsubterreāsubterreō
vocativesubterreesubterreasubterreum
plural
formmasculinefeminineneuter
nominativesubterreīsubterreaesubterrea
genitivesubterreōrumsubterreārumsubterreōrum
dativesubterreīssubterreīssubterreīs
accusativesubterreōssubterreāssubterrea
ablativesubterreīssubterreīssubterreīs
vocativesubterreīsubterreaesubterrea

sub-terrĕus, a, um, adj. id.,
I. underground, subterranean, = subterraneus: divi, Arn. 7, 226.

Origins

  1. Proto-Indo-European*upó
  2. Proto-Italic*supo
  3. Latinsubterreus

Latin sub- Proto-Indo-European *ters-der. Proto-Italic *terzā Latin terra Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin subterreus From sub- (“under”) + terra (“land”) + -eus.

Quick answers

What does subterreus mean in Latin?
subterreus, a adjective, means “underground, subterranean”.
How do you pronounce subterreus?
In classical Latin, [sʊpˈtɛr.re.ʊs]; in ecclesiastical (church) Latin, [subˈtɛr.re.us].
Where does subterreus come from?
Proto-Indo-European *upó → Proto-Italic *supo → Latin subterreus.