LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

castaneus

castaneus (feminine castanea, neuter castaneum)
Classical[kasˈta.ne.ʊs]Ecclesiastical[kasˈtaː.ne.us]

Meaning

  1. adjectiverelationalchestnut
  2. Late LatinLatinadjectivevulgarbrown (chestnut colored)

Declension

singular
formmasculinefeminineneuter
nominativecastaneuscastaneacastaneum
genitivecastaneīcastaneaecastaneī
dativecastaneōcastaneaecastaneō
accusativecastaneumcastaneamcastaneum
ablativecastaneōcastaneācastaneō
vocativecastaneecastaneacastaneum
plural
formmasculinefeminineneuter
nominativecastaneīcastaneaecastanea
genitivecastaneōrumcastaneārumcastaneōrum
dativecastaneīscastaneīscastaneīs
accusativecastaneōscastaneāscastanea
ablativecastaneīscastaneīscastaneīs
vocativecastaneīcastaneaecastanea

Origins

Ancient Greek κᾰ́στᾰνᾰ (kắstănă)bor. Latin castanea Proto-Indo-European *-éyos Proto-Italic *-ejos Proto-Italic *-eos Latin -eus Latin castaneus From castanea + -eus.

Quick answers

What does castaneus mean in Latin?
castaneus, a adjective, means “chestnut; brown (chestnut colored)”.
How do you pronounce castaneus?
In classical Latin, [kasˈta.ne.ʊs]; in ecclesiastical (church) Latin, [kasˈtaː.ne.us].