The only free and comprehensive online etymological dictionary of the Spanish language
local (1) (Adjective) "local"
Borrowed from Latin localis 'id.,' from locus "place" (see luego). The native word from localis is lugar.
local (2) m. (Noun) "nearby location" Often with a sense of being closed to visitors.
An adjectival from local (1).
loco (Adjective) "crazy"
12th cent. From a pre-form *laucu. Traditionally argued following Corominas (1991) to be from Arabic. More precisely, according to Corriente (1999), to be from Andalusian Arabic lawqa "foolish."
Indo-European
Romance
Portuguese louco
locura f. (Noun) "insanity," "madness"
12th cent. From loco and -ura, an abstract noun-forming suffix.
-logía Suffix indicating a study or science.
Borrowed from Latin -logia 'id.,' itself borrowed from Ancient Greek -λογία (logía) 'id.' A compound of λόγος ‎(lógos) "explanation" (see -logo) and an abstract noun-forming suffix -ίᾱ ‎(-ía).
-logo Affix indicating study, specialization, word, or speech.
Borrowed from Latin -logus 'id.,' itself borred from Ancient Greek λόγος (lógos) "word," "speech," "explanation." Derived from λέγειν (légein) "to collect," "to arrange." From Proto-Indo-European *leǵ- "to collect."
Indo-European
Italic
Latin legere "to collect" (see Spanish leer)
Albanian
Albanian mb-ledh "to collect"
Londres m. (Noun) "London"
Of unknown origin but indisputably borrowed from another language. The original stem was *lond-.
Portuguese Londres is feminine.
lote m. (Noun) "lot"
19th cent. Borrowed from French lot 'id.' From Frankish *hlot "allotment." From Proto-Germanic *hluti- "share," derived from the verb *hleutan- "to obtain by lot." Of uncertain origin.
Indo-European
Germanic
Old Norse hlutr "lot," Old High German hluz "lot," Old English hlot (English lot)
lucha f. (Noun) "fight;" "wrestle"
13th cent. From Latin lucta 'id.,' derived from luctari "to wrestle" (see luchar).
Indo-European
Romance
Asturian llucha, Portuguese luta, Galician loita, French lutte, Italian lotta, Aromanian ljuftã, Romanian luptă
luchar (Verb) "to fight;" "to wrestle"
13th cent. From Latin luctare 'id.,' originally luctari. From Proto-Italic *lukto- "to wrestle," but originally "bent." From Proto-Indo-European *leu̯g- "to bend."
Indo-European
Romance
Asturian lluchar, Portuguese lutar, Galician loitar, Catalan lluitar, French lutter, Italian lottar, Aromanian luptu, Romanian lupta
Celtic
Old Irish foloing "support," Middle Welsh ellwng- "to set free"
Germanic
Gothic ga-lūkan "to shut," Old Norse lúka "to close," lykna "to bend the knees," Old High German liohhan "to pull," Old English lūcan "to plait"
Hellenic
Ancient Greek λύγος (lygos) "twigs"