LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective (nominative masculine singular in -er)

subniger

subniger (feminine subnigra, neuter subnigrum)
Classical[ˈsʊb.nɪ.ɡɛr]Ecclesiastical[ˈsub.ni.d͡ʒer]

Meaning

  1. adjectiveblackish, somewhat black

Latīnē defined in Latin in our graded readers

Declension

singular
formmasculinefeminineneuter
nominativein -er
subniger		subnigrasubnigrum
genitivesubnigrīsubnigraesubnigrī
dativesubnigrōsubnigraesubnigrō
accusativesubnigrumsubnigramsubnigrum
ablativesubnigrōsubnigrāsubnigrō
vocativesubnigersubnigrasubnigrum
plural
formmasculinefeminineneuter
nominativesubnigrīsubnigraesubnigra
genitivesubnigrōrumsubnigrārumsubnigrōrum
dativesubnigrīssubnigrīssubnigrīs
accusativesubnigrōssubnigrāssubnigra
ablativesubnigrīssubnigrīssubnigrīs
vocativesubnigrīsubnigraesubnigra

sub-nĭger, gra, grum, adj.,
I. somewhat black, blackish: ventriosus, subniger, Plaut. Ps. 4, 7, 120: oculis, id. Merc. 3, 4, 55: labris (canum), Varr. R. R. 2, 9, 3: color (cutis), Cels. 5, 28, 4.

Origins

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

Latin sub- Latin niger Latin subniger From sub- + niger.

Quick answers

What does subniger mean in Latin?
subniger, a adjective, means “blackish, somewhat black”.
How do you pronounce subniger?
In classical Latin, [ˈsʊb.nɪ.ɡɛr]; in ecclesiastical (church) Latin, [ˈsub.ni.d͡ʒer].
Where does subniger come from?
Proto-Indo-European *upó → Proto-Italic *supo → Latin subniger.