Etymologically
← History of fides

fides Latin · revision 3665

15 Oct 2026, 19:56 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)” current version

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+ {{infobox|confidence=established|formation=inherited|attested=Plautus|origins=ine-pro *bʰeydʰ-}}
+
+ ==Pronunciation==
+ * IPA (Classical): [ˈfɪ.deːs]^(Wiktionary)
+ * IPA (Ecclesiastical): [ˈfiː.des]^(Wiktionary)
+
+ ==Forms==
+ '''fidēs''' ''f sg'' (genitive fidē̆ī or fidē or fidī); fifth declension^(Wiktionary)
+
+ ==Etymology==
+ It is [[inh|itc-pro|*fiþ-ē-|t=trust]], [[inh|ine-pro|*bʰidʰ-eh₁-|t=faith]], from the root of [[fido|alt=fīdō]] “to trust”.^(de Vaan 2008) Meillet saw it as a remaking of PIE *ḱred-dʰeh₁- “belief”, which de Vaan finds far-fetched.^(de Vaan 2008)
+
+ Cognate with [[grc|πείθω|tr=peíthō|t=to persuade]] and [[grc|πίστις|tr=pístis|t=faith]].^(OLD 2012)
+
+ ==Earliest recorded meaning==
+ It is found from Plautus onwards,^(de Vaan 2008)^(Köbler 2010) as in “I entrusted the gold to your good faith”.^(OLD 2012)
+
+ ==Semantic evolution==
+ Its early senses were trust placed in someone, protection, and a pledge or promise, as Ennius' “take and give a pledge”.^(OLD 2012) From this it meant credit, especially financial credit, good faith and honesty, as Ennius' “there is no sacred bond or good faith in kingship”, loyalty and allegiance.^(OLD 2012)
+
+ It meant credibility and belief, as Cicero's “belief is a firm opinion”, and the fulfilment of a promise.^(OLD 2012) ''Bona fide'' meant “in good faith”.^(OLD 2012) In Christian Latin it was the virtue of faith and the Christian religion.^(Stelten 1995) It survives as Italian ''fede'', French ''foi'' and Spanish ''fe'', and English ''faith'' came from Old French.^(Wiktionary)^(Etymonline)
+
+ ==Timeline==
+ * c. 250–184 BC – Plautus uses it of trust and protection.^(OLD 2012)^(Köbler 2010)
+ * 204–169 BC – Ennius uses it of a pledge and of good faith.^(OLD 2012)^(Köbler 2010)
+ * 81–43 BC – Cicero defines it as a firm opinion.^(OLD 2012)^(Köbler 2010)
+
+ ==Meanings==
+ ===Noun===
+ # Trust; protection, tutelage.^(OLD 2012)^(Wiktionary)
+ # A guarantee, [[m|en|promise]], pledge.^(OLD 2012)^(Wiktionary)
+ # The fulfilment (of a promise).^(OLD 2012)
+ # Proof, confirmation.^(OLD 2012)
+ # [[m|en|Credit]], good name.^(OLD 2012)^(Wiktionary)
+ # Good faith, honesty, ''bona fide'': in good faith.^(OLD 2012)^(Wiktionary)
+ # Loyalty, allegiance.^(OLD 2012)^(Wiktionary)
+ # Credibility; belief.^(OLD 2012)^(Wiktionary)
+ # ''(Christian Latin)'' [[m|en|Faith]]; the Christian religion.^(Stelten 1995)
+
+ ==Word family==
+ * [[fidēiubeō]]
+ * [[fidēpromittō]]
+ * [[fidedictor]]
+ * [[fideicommittō]]
+ * [[fidēlis]]
+ * [[perfidus]]
+ * [[levifīdus]]
+
+ ==Related words==
+ * [[fidēlitās]]
+ * [[fīdō]]
+ * [[fīdus]]
+ * [[en|faith]]
+
+ ==Usage notes==
+ Döderlein distinguishes ''fides'', keeping one's word, from ''fidelitas'', loyal attachment.^(Döderlein 1874) A different word ''fides'', ''fidium'', a lyre or its strings, is perhaps from [[grc|σφίδη|tr=sphídē|t=gut string]].^(OLD 2012)^(Wiktionary)
+
+ ==References==
+ {{reflist}}