acidus

Latin

Etymology

From aceō (“I am sour”) +‎ -idus.

Pronunciation

• (Classical) IPA^(key): /ˈa.ki.dus/, [ˈäkɪd̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈa.t͡ʃi.dus/, [ˈäːt͡ʃid̪us]

Adjective

acidus (feminine acida, neuter acidum, comparative acidior, superlative acidissimus); first/second-declension adjective

1. sour, tart, acid, bitter
2. (of sound) harsh, grating, rough, shrill
3. (figuratively) disagreeable, unpleasant; sharp, keen, pungent; sharp-tongued

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	acidus	acida	acidum		acidī	acidae	acida
Genitive	acidī	acidae	acidī		acidōrum	acidārum	acidōrum
Dative	acidō		acidō		acidīs
Accusative	acidum	acidam	acidum		acidōs	acidās	acida
Ablative	acidō	acidā	acidō		acidīs
Vocative	acide	acida	acidum		acidī	acidae	acida

Derived terms

• aciditās
• acidulus
• acidē
• dulcacidus
• salmacidus
• subacidus

 

Descendants

• Catalan: àcid
• Danish: acido
• English: acid
• French: acide
  • → Ottoman Turkish: آسید (asit)
    • Turkish: asit
  • → Romanian: acid
• → Galician: ácido
• Italian: acido
• → Portuguese: ácido
• Sardinian: axedu
• Sicilian: àcitu
• Spanish: ácido

References

• “acidus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “acidus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• acidus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.