LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

peracerbus

peracerbus (feminine peracerba, neuter peracerbum)
Classical[pɛ.raˈkɛr.bʊs]Ecclesiastical[pe.raˈt͡ʃɛr.bus]

Meaning

  1. adjectivevery harsh, bitter, sour
    […] quae et sūcō terrae et calōre sōlis augēscēns, prīmō est peracerba gustātū, deinde mātūrāta dulcēscit […].[The grape,] sustained by both the nourishment of the earth and the warmth of the sun, at first is quite bitter to the taste, then sweetens as it ripens.106 BCE – 43 BCE, Cicero, Cato Maior de Senectute 15.53
  2. adjectivevery painful

Declension

singular
formmasculinefeminineneuter
nominativeperacerbusperacerbaperacerbum
genitiveperacerbīperacerbaeperacerbī
dativeperacerbōperacerbaeperacerbō
accusativeperacerbumperacerbamperacerbum
ablativeperacerbōperacerbāperacerbō
vocativeperacerbeperacerbaperacerbum
plural
formmasculinefeminineneuter
nominativeperacerbīperacerbaeperacerba
genitiveperacerbōrumperacerbārumperacerbōrum
dativeperacerbīsperacerbīsperacerbīs
accusativeperacerbōsperacerbāsperacerba
ablativeperacerbīsperacerbīsperacerbīs
vocativeperacerbīperacerbaeperacerba

pĕr-ăcerbus, a, um, adj.,
I. very harsh to the taste.
I. Lit.: uva peracerba gustatu, Cic. Sen. 15, 53.—
II. Trop., very painful: mihi peracerbum fuit, quod, etc., Plin. Ep. 6, 5, 6.

Origins

Proto-Indo-European *h₂eḱ- Proto-Indo-European *-rós Proto-Indo-European *h₂eḱrós Proto-Italic *akris Proto-Indo-European *dʰeh₁- Proto-Indo-European *-dʰh₁-os Proto-Italic *-iðos Proto-Italic *akriðos Latin acerbus Latin peracerbus From per- + acerbus (“harsh, bitter, sour”).

Quick answers

What does peracerbus mean in Latin?
peracerbus, a adjective, means “very harsh, bitter, sour; very painful”.
How do you pronounce peracerbus?
In classical Latin, [pɛ.raˈkɛr.bʊs]; in ecclesiastical (church) Latin, [pe.raˈt͡ʃɛr.bus].