Etymologically
← History of fidelis

fidelis Latin · revision 3871

15 Oct 2026, 20:29 by bogdan “New Latin entry (sources: de Vaan, OLD, Lewis & Short, TLL...)” current version

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+ {{infobox|confidence=established|formation=derivation|attested=Naevius|origins=ine-pro *bʰeidʰ-}}
+
+ ==Pronunciation==
+ * IPA (Classical): [fɪˈdeː.lɪs]^(Wiktionary)
+ * IPA (Ecclesiastical): [fiˈdɛː.lis]^(Wiktionary)
+
+ ==Forms==
+ '''fidēlis''' (neuter fidēle, comparative fidēlior, superlative fidēlissimus, adverb fidēliter); third-declension two-termination adjective^(Wiktionary)
+
+ ==Etymology==
+ It is [[af|la|fidēs|-ēlis|t1=faith, trust]].^(OLD 2012)^(Wiktionary)^(de Vaan 2008) ''Fidēs'' is [[m|itc-pro|*fiþ-ē-|t=trust]], from [[ine-pro|*bʰidʰ-eh₁-|t=faith]], from the root of [[fido|alt=fīdō]] “to trust”.^(de Vaan 2008)
+
+ ==Earliest recorded meaning==
+ It is found from Naevius onwards.^(de Vaan 2008) Plautus asks “do me this faithful service”.^(OLD 2012)
+
+ ==Semantic evolution==
+ Of persons it meant keeping faith, faithful, loyal, as Cicero's good parent or faithful guardian, and of actions done in good faith, as Cicero's brave and faithful help.^(OLD 2012)^(Gaffiot 2016) It also meant trustworthy, reliable, as Plautus' “you can send no one more trustworthy”.^(OLD 2012)
+
+ As a noun it meant a trusted follower, from Cicero onwards.^(Köbler 2010) In Christian Latin it meant believing, a believer, and in medieval Latin a vassal.^(Niermeyer 1976)^(Köbler 2010) Romance kept it, as Spanish [[m|es|fiel]] and Italian [[m|it|fedele]].^(Wiktionary)
+
+ ==Timeline==
+ * c. 235–200 BC – Naevius uses it.^(de Vaan 2008)^(Köbler 2010)
+ * c. 250–184 BC – Plautus uses it of loyal service and a trusty messenger.^(OLD 2012)^(Köbler 2010)
+ * 81–43 BC – Cicero uses it of friends and as a noun.^(Gaffiot 2016)^(Köbler 2010)
+
+ ==Meanings==
+ ===Adjective===
+ # [[m|en|Faithful]], loyal, devoted.^(OLD 2012)^(Wiktionary)
+ # Done in good faith, sincere.^(OLD 2012)^(Gaffiot 2016)
+ # Trustworthy, reliable.^(OLD 2012)^(Wiktionary)
+ # ''(Christian Latin)'' Believing.^(Niermeyer 1976)^(Wiktionary)
+
+ ===Noun===
+ # A trusted follower, confidant.^(Wiktionary)^(Köbler 2010)
+ # ''(Christian Latin)'' A believer, ''(Medieval Latin)'' a [[m|en|vassal]].^(Niermeyer 1976)^(Köbler 2010)
+
+ ==Word family==
+ * [[confidelis]]
+ * [[fidēlitās]]
+ * [[īnfidēlis]]
+ * [[perfidēlis]]
+
+ ==Related words==
+ * [[fides]]
+ * [[fidus]]
+ * [[en|fidelity]]
+ * [[en|infidel]]
+
+ ==Usage notes==
+ Döderlein says ''fidus'' names a natural quality, “trustworthy”, while ''fidelis'' names a moral one, “faithful”.^(Döderlein 1874)
+
+ ==References==
+ {{reflist}}