The only free and comprehensive online etymological dictionary of the Spanish language
rededor m. (Noun) "surrounding"
Metathesis of Old Spanish derredor. From de and redor.
redor (Adverb) "behind," "back"
12th cent. Obsolete. Originally used as a preposition until the 13th cent. From Latin retro. Certainly from re- "back" and possibly the ablative of -teros "towards." See re- and -tero- respectively.
referible (Adjective) "referrable"
From referir and -ible, an adjective-forming suffix indicating possibility.
referir (Verb) "to refer"
15th cent. From Latin referre "to bring back." From re- "again" (see re-) and ferre "to bring" (see -fero).
Indo-European
Romance
Portuguese referir, Catalan referir, French référer, Italian riferire
regalar (Verb) "to gift"
Very late 15th cent. Borrowed from French régaler 'id.,' a verb created from regal "feast," Old French rigalle. From ri- "again" (of the same Latin origin as re-) and galer "to make merry," from Frankish *wala "good." From Proto-Germanic *wala 'id.' From Proto-Indo-European *u̯elh1- "to desire."
Indo-European
Italic
Latin velle "to want," Umbrian veltu "he ordered," Venetic leno "voluntary act"
Germanic
Gothic waljan "to choose," Old Norse velja "to choose," Old High German wellan "choice," Old Saxon wellian 'id.,' English to will
Balto-Slavic
Old Church Slavonic velěti "to want," Russian velét' 'id.,' Czech veleti "to command," Slovene velẹ́ti "to want," Lithuanian vélti "to allow"
Hellenic
Ancient Greek λῆμα (lêma) "will"
Indo-Iranian
Sanskrit vr̥ṇīté "he chooses," Old Avestan var- "to choose"
regalo m. (Noun) "gift"
18th cent. From regalar.
regir (Verb) "to rule"
14th cent. From Latin regere "to rule," "to lead." From Proto-Italic *reg-e/o- "to direct." From Proto-Indo-European *h3reǵ-e/o- 'id.'
Indo-European
Romance
Portuguese reger, French régir, Italian reggere
Italic
Umbrian rehte "right"
Celtic
Gaulish regu-c "I stand up," Old Irish a-t-raig "to stand up," Middle Welsh reaf 'id.,' Old Breton gurre "to raise," Middle Cornish gorre "to put"
Germanic
Gothic -rakjan "to stretch," Old Norse rekja "to wrap," Old High German recken "to stretch," Old Saxon rekkian "to explain," Old English reccan "to stretch"
Indo-Iranian
Sanskrit raj- "to direct," Old Persian rāsta- "straight," "justice"
Tocharian
B räk- "to extend"
regla f. (Noun) "rule;" "menstruation"
10th cent. From Latin regula "rod;" "rule." From regere "to rule," "to direct" (see regir).
Indo-European
Romance
Asturian regla, Portuguese relha, Galician reixa, Catalan reixa, French règle, Italian regola, Romanian regulă, Sardinian arega
reglar (Verb) "to regulate;" "to rule"
From regla.
Indo-European
Romance
Asturian reglar, Portuguese regrar, French régler
regresar (Verb) "to return"
16th cent. From regreso.