Etymologically
← History of iocus

iocus Latin · revision 740

10 Oct 2026, 16:49 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)” current version

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+ ==Pronunciation==
+ * IPA (Classical): [ˈjɔ.kʊs]^(Wiktionary)
+ * IPA (Ecclesiastical): [ˈjɔː.kus]^(Wiktionary)
+
+ ==Forms==
+ '''iocus''' ''m'' (genitive iocī); second declension^(Wiktionary)
+
+ ==Etymology==
+ It is [[inh|itc-pro|*joko-]], [[inh|ine-pro|*yok-o-|t=word, utterance]], from the root [[m|ine-pro|*yek-|t=to speak]].^(de Vaan 2008)^(Wiktionary)^(Etymonline) The original sense was thus a playful word or speech.^(Pokorny 1959)
+
+ Cognate with [[xum|iuka|t=words, prayers]], [[cy|iaith|t=language]], [[br|yezh|t=language]] and [[goh|jehan|t=to say, declare]].^(de Vaan 2008)^(OLD 2012) [[lt|juõkas|t=laughter, joke]] is probably a borrowing from German.^(de Vaan 2008)
+
+ ==Earliest recorded meaning==
+ De Vaan dates it from Plautus onwards,^(de Vaan 2008) and Köbler from Ennius.^(Köbler 2010) In the ''Mercator'' Plautus lists ''iocus'' with life, friendship, joy and play among the companions a young man has found.^(OLD 2012)
+
+ ==Semantic evolution==
+ It meant a [[m|en|joke]] or jest, and more widely fun and amusement, often opposed to what is serious, as in ''ioca seria'' “jest and earnest”.^(OLD 2012)^(Lewis & Short 1879) Plautus and Horace personified it as a god of jesting.^(OLD 2012) Phrases such as ''per iocum'' “in jest” and ''extra iocum'' “joking apart” were common, and Cicero always uses the neuter plural ''ioca''.^(OLD 2012)^(Lewis & Short 1879) It also meant a laughing stock and a trifle, “child's play”.^(OLD 2012)
+
+ In medieval Latin it named a joust or tournament,^(Niermeyer 1976) and it gave French ''jeu'', Italian ''gioco'' and Spanish ''juego'' “game”.^(Wiktionary)^(Etymonline) English borrowed it as [[en|joke]] in the 1660s, at first as a slang word.^(Etymonline)
+
+ ==Timeline==
+ * 204–169 BC – Ennius uses it.^(Köbler 2010)
+ * c. 250–184 BC – Plautus personifies ''Iocus'' and uses ''ioco'' for “in jest”.^(OLD 2012)^(Köbler 2010)
+ * 81–43 BC – Cicero writes ''extra iocum'' “joking apart”.^(OLD 2012)^(Köbler 2010)
+ * 81/79–52/50 BC – Catullus complains that a woman takes him for a laughing stock.^(OLD 2012)^(Köbler 2010)
+ * Middle Ages – It means a joust or tournament.^(Niermeyer 1976)
+ * 1660s – English borrows it as [[en|joke]].^(Etymonline)
+
+ ==Meanings==
+ ===Noun===
+ # A [[m|en|joke]], jest; fun, sport, ''per iocum'': in jest.^(OLD 2012)^(Lewis & Short 1879)
+ # ''Iocus'': the god of jesting.^(OLD 2012)
+ # A [[m|en|laughing stock]].^(OLD 2012)
+ # A trifle, child's play.^(OLD 2012)
+ # ''(Medieval Latin)'' A [[m|en|joust]], tournament.^(Niermeyer 1976)
+
+ ==Word family==
+ * [[iocōsus]]
+ * [[ioculus]]
+ * [[iocāliter]]
+ * [[iocor]]
+
+ ==Related words==
+ * [[iocābundus]]
+ * [[iocātiō]]
+ * [[iocōsē]]
+ * [[ioculanter]]
+ * [[ioculāris]]
+ * [[ioculāriter]]
+ * [[ioculārius]]
+ * [[ioculātiō]]
+ * [[ioculātor]]
+ * [[ioculātōrius]]
+ * [[en|joke]]
+ * [[en|jeopardy]]
+ * [[en|jewel]]
+
+ ==Usage notes==
+ The plural is either masculine ''ioci'' or neuter ''ioca''.^(OLD 2012)^(TLL)
+
+ ==References==
+ {{reflist}}