delusio

Latin

Etymology

From dēlūdō (“to deceive or dupe”) +‎ -tiō.

Pronunciation

• (Classical Latin) IPA^(key): /deːˈluː.si.oː/, [d̪eːˈɫ̪uːs̠ioː]
• (modern Italianate Ecclesiastical) IPA^(key): /deˈlu.si.o/, [d̪eˈluːs̬io]

Noun

dēlūsiō f (genitive dēlūsiōnis); third declension

1. a deceiving, deluding, a delusion

Declension

Third-declension noun.

	singular	plural
nominative	dēlūsiō	dēlūsiōnēs
genitive	dēlūsiōnis	dēlūsiōnum
dative	dēlūsiōnī	dēlūsiōnibus
accusative	dēlūsiōnem	dēlūsiōnēs
ablative	dēlūsiōne	dēlūsiōnibus
vocative	dēlūsiō	dēlūsiōnēs

Descendants

• → Catalan: delusió
• → French: délusion
• → Friulian: delusion
• → Italian: delusione
• → Piedmontese: delusion
• → Portuguese: delusão
• → Spanish: delusión

References

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