nigredo

English

Etymology

From Latin nigrēdō (“blackness”).

Noun

nigredo (uncountable)

1. (alchemy) A process of putrefaction or decomposition, one of the four major stages of the alchemical magnum opus.

   Synonym: melanosis

   Coordinate terms: albedo, citrinitas, rubedo

2. (psychology) A term in Jungian psychology referring to mental negativity.

Anagrams

• Doering, Gironde, Negroid, eroding, groined, ignored, negroid, redoing

Latin

Etymology

From niger +‎ -ēdō.

Pronunciation

• (Classical Latin) IPA^(key): /niˈɡreː.doː/, [nɪˈɡreːd̪oː] or IPA^(key): /niɡˈreː.doː/, [nɪɡˈreːd̪oː]
• (modern Italianate Ecclesiastical) IPA^(key): /niˈɡre.do/, [niˈɡrɛːd̪o] or IPA^(key): /niɡˈre.do/, [niɡˈrɛːd̪o]

Noun

nigrēdō f (genitive nigrēdinis); third declension

1. blackness

Declension

Third-declension noun.

Case	Singular	Plural
Nominative	nigrēdō	nigrēdinēs
Genitive	nigrēdinis	nigrēdinum
Dative	nigrēdinī	nigrēdinibus
Accusative	nigrēdinem	nigrēdinēs
Ablative	nigrēdine	nigrēdinibus
Vocative	nigrēdō	nigrēdinēs

Descendants

• → English: nigredo

References

• “nigredo”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• nigredo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.