insanus

Latin

Etymology

Etymology tree

Proto-Indo-European *né

Proto-Indo-European *n̥-

Proto-Italic *n̥-

Latin in-

Proto-Italic *sānos

Latin sānus

Latin īnsānus

From in- + sānus (“healthy, sound”).

Pronunciation

• (Classical Latin) IPA^(key): [ĩːˈsaː.nʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [inˈsaː.nus]

Adjective

īnsānus (feminine īnsāna, neuter īnsānum, comparative īnsānior, superlative īnsānissimus); first/second-declension adjective

1. mad, insane, demented
   • c. 200 BCE – 190 BCE, Plautus, Captivi 3.4.24:

     aristophontes: Quid tu autem? Etiam huic credis? hegio: Quid ego credam huic? aristophontes: Insanum esse me?

     aristophontes: How’s this? You, too? Do you actually believe him? hegio: Believe him in what? aristophontes: That I’m insane?

   • c. 200 BCE – 190 BCE, Plautus, Captivi 3.4.80:

     Quid ais? Quid si adeam hunc insanum?

     See here, what if I should step up to this lunatic?

Declension

First/second-declension adjective.

	singular				plural
	masculine	feminine	neuter		masculine	feminine	neuter
nominative	īnsānus	īnsāna	īnsānum		īnsānī	īnsānae	īnsāna
genitive	īnsānī	īnsānae	īnsānī		īnsānōrum	īnsānārum	īnsānōrum
dative	īnsānō	īnsānae	īnsānō		īnsānīs
accusative	īnsānum	īnsānam	īnsānum		īnsānōs	īnsānās	īnsāna
ablative	īnsānō	īnsānā	īnsānō		īnsānīs
vocative	īnsāne	īnsāna	īnsānum		īnsānī	īnsānae	īnsāna

Derived terms

• īnsāniō
• īnsānitās

Descendants

• Catalan: insà
• English: insane
• French: insane
• → German: insan
• Italian: insano
• Portuguese: insano
• Spanish: insano

References

• “insanus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “insanus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "insanus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “insanus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• insanus in Ramminger, Johann (16 July 2016 (last accessed)), Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎^[1], pre-publication website, 2005-2016