Etymologically
← History of fiducia

fiducia Latin · revision 18030

18 Oct 2026, 20:56 by bogdan “Latin la10k batch la75f/b08”

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+ {{infobox|confidence=established|formation=derivation|attested=c. 250–184 BC, Plautus|origins=ine-pro *bʰeydʰ-}}
+
+ ==Pronunciation==
+ * IPA (Classical): [fiːˈduː.ki.a]^(Wiktionary)
+ * IPA (Ecclesiastical): [fiˈduː.t͡ʃi.a]^(Wiktionary)
+
+ ==Forms==
+ '''fīdūcia''' ''f'' (genitive fīdūciae); first declension^(Wiktionary)
+
+ ==Etymology==
+ It is formed from an unattested ⟨*fīdūcus⟩, from [[m|la|fīdō|t=to trust]] like [[m|la|cadūcus]] from [[m|la|cadō]], with the suffix [[m|la|-ia]].^(OLD 2012)^(Wiktionary)^(Lewis & Short 1879) De Vaan traces [[m|la|fīdō]] to [[itc-pro|*feiþe-]] and [[ine-pro|*bʰeidʰ-e/o-|t=to trust]], the root of [[m|la|fidēs|t=faith]] and [[m|la|foedus|t=treaty]].^(de Vaan 2008)
+
+ ==Earliest recorded meaning==
+ De Vaan and Köbler date it from Plautus,^(de Vaan 2008)^(Köbler 2010) who has ''ībō ad tē frētus tuā, Fidēs, fīdūciā'', “I will come to you, Good Faith, relying on your protection”.^(OLD 2012)
+
+ ==Semantic evolution==
+ In law ''fīdūcia'' is the transfer of property on trust, to be given back on certain terms (Cicero lists ''iūdicia fīdūciae'' among private suits), and in the ablative “on the responsibility of”.^(OLD 2012)^(Lewis & Short 1879)^(Wiktionary) In general it is “trust, reliance, confidence” in a source of help (Caesar: such confidence in his own resources), ''fīdūciā'' “relying on”, and in poetry the person one relies on (Ovid).^(OLD 2012)^(Lewis & Short 1879)^(Wiktionary) It is a confident expectation (Caesar: ''victōriae fīdūciam''), and “self-confidence, assurance, courage” (Caesar: ''alacrēs et fīdūciae plēnī'', “eager and full of confidence”).^(OLD 2012)^(Wiktionary)
+
+ Church Latin glosses it “boldness, trust, confidence”, and ''cum fīdūciā'' “boldly”.^(Stelten 1995) In medieval Latin it is reliance on someone's protection and a solemn promise.^(Niermeyer 1976)
+
+ ==Timeline==
+ * c. 250–184 BC – Plautus: ''frētus tuā, Fidēs, fīdūciā''.^(OLD 2012)^(Köbler 2010)
+ * 81–43 BC – Cicero: ''iūdicia … fīdūciae''.^(OLD 2012)^(Köbler 2010)
+ * c. 50 BC – Caesar: ''alacrēs et fīdūciae plēnī''.^(OLD 2012)^(Köbler 2010)
+
+ ==Meanings==
+ ===Noun===
+ # ''(law)'' A transfer of property in [[m|en|trust]]; a pledge.^(OLD 2012)^(Lewis & Short 1879)^(Wiktionary)
+ # Trust, [[m|en|reliance]], confidence (in someone or something).^(OLD 2012)^(Lewis & Short 1879)^(Wiktionary)^(Stelten 1995)
+ # Confident expectation; assurance.^(OLD 2012)
+ # Self-confidence, [[m|en|courage]], boldness.^(OLD 2012)^(Wiktionary)^(Stelten 1995)
+ # ''(Medieval Latin)'' Reliance on protection; a solemn promise.^(Niermeyer 1976)
+
+ ==Word family==
+ * [[fīdūciārius]]
+ * [[fīdūciō]]
+
+ ==Related words==
+ * [[fidēlis]]
+ * [[fidēlitās]]
+ * [[fidēliter]]
+ * [[fīdens]]
+ * [[fīdenter]]
+ * [[fīdentia]]
+ * [[fīdō]]
+ * [[fīdus]]
+ * [[fidēs]]
+ * [[cōnfīdō]]
+
+ ==References==
+ {{reflist}}