Etymologically
← History of insanus

insanus Latin · revision 6944

16 Oct 2026, 12:47 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)” current version

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+ {{infobox|confidence=established|formation=derivation|attested=Plautus|origins=la sānus}}
+
+ ==Pronunciation==
+ * IPA (Classical): [ĩːˈsaː.nʊs]^(Wiktionary)
+ * IPA (Ecclesiastical): [inˈsaː.nus]^(Wiktionary)
+
+ ==Forms==
+ '''īnsānus''' (feminine īnsāna, neuter īnsānum, comparative īnsānior, superlative īnsānissimus); first/second-declension adjective^(Wiktionary)
+
+ ==Etymology==
+ It is from the negative prefix [[in-]] and [[sānus]] “healthy, sound”.^(OLD 2012)^(Wiktionary)^(TLL) Cicero remarks that the first syllable is long in ⟨īnsānus⟩, as in other compounds with ⟨in-⟩ before ⟨s⟩.^(TLL)
+
+ ==Earliest recorded meaning==
+ The OLD's earliest citations are from Plautus, of madness and of crazy behaviour.^(OLD 2012) Köbler dates Plautus c. 250–184 BC.^(Köbler 2010)
+
+ ==Semantic evolution==
+ It meant of unsound mind, mad, frenzied, as in Cicero and Juvenal, and in Ennius possessed by a god.^(OLD 2012)^(Lewis & Short 1879) It was used hyperbolically of people acting crazily, of conduct and emotions, and of things beyond reasonable limits, extravagant, as Cicero's mad expenses.^(OLD 2012)^(Gaffiot 2016) Poets use it of raging winds and seas, as Virgil, and Ovid of what drives one mad.^(OLD 2012) The ''Īnsānī montēs'' were a mountain range in Sardinia, named by Livy.^(OLD 2012) Döderlein distinguishes ''āmēns'', without reason, from ''dēmēns'', acting against reason.^(Döderlein 1874)
+
+ In Ecclesiastical Latin it meant mad, insane, foolish.^(Stelten 1995) [[en|insane]] came in the 1550s, of persons, “mentally damaged”.^(Etymonline)
+
+ ==Timeline==
+ * c. 250–184 BC – Plautus uses it of madness.^(OLD 2012)^(Köbler 2010)
+ * 204–169 BC – Ennius uses it of divine possession.^(OLD 2012)^(Köbler 2010)
+ * 70–19 BC – Virgil uses it of raging winds.^(OLD 2012)^(Köbler 2010)
+ * 1550s – English ''insane'' is recorded.^(Etymonline)
+
+ ==Meanings==
+ ===Adjective===
+ # Of unsound mind, [[m|en|mad]], frenzied; possessed.^(OLD 2012)
+ # Crazy, acting as if mad; of conduct, insane.^(OLD 2012)
+ # Extravagant, absurd, wild.^(OLD 2012)
+ # ''(poetic)'' Of winds or seas, raging, [[m|en|tempestuous]].^(OLD 2012)
+ # Maddening.^(OLD 2012)
+
+ ==Word family==
+ * [[īnsānia]]
+ * [[īnsāniō]]
+ * [[īnsānitās]]
+
+ ==Related words==
+ * [[sānus]]
+ * [[āmēns]]
+ * [[dēmēns]]
+ * [[en|insane]]
+
+ ==References==
+ {{reflist}}