The only free and comprehensive online etymological dictionary of the Spanish language
latir (Verb) (of the heart) "to beat;" (of dogs) "to yelp"
Very early 14th cent. From Latin glattire "to yelp." Latin intial gl- could reduce either l- or ll- or both (Cf. Latin glans "acorn" to llande and lande). Of unknown origin.
Indo-European
Romance
Portuguese latir, French glapir
latréutico (Adjective) "pertaining to the highest worship one can offer"
Borrowed from Ancient Greek λατρευτικός (latreutikós) "worshiped," from the verb λατρεύειν (latreyein) "to worship." Derived from the word λατρεύς (latreys) "hired servant." Of unknown origin, probably from Pre-Greek.
-latría (Suffix) "worship"
From Late Latin -latria 'id.,' borrowed from Ancient Greek -λατρεία (-latreía) 'id.,' which is from the noun λᾰτρείᾱ (latreía) of the same meaning (see latría).
latría f. (Noun) "worship reserved for the divine"
Early 17th cent. From Late Latin latria 'id.,' borrowed from Ancient Greek λᾰτρείᾱ (latreía) "worship." From the verb λατρεύειν (latreyein) "to worship" (see latréutico).
lavar (Verb) "to wash"
10th cent. From Latin lavare 'id.' Old Latin lavere. From Proto-Italic *lowa- 'id.' From Proto-Indo-European *lou̯h3- 'id.'
Indo-European
Romance
Portuguese lavar, Galician lavar, Catalan llavar, French laver, Italian lavare, Aromanian lau, Romanian la, Sardinian labare
Italic
Umbrian vutu "he washed"
Celtic
Old Irish lóathar "basin," Breton laouer 'id.'
Germanic
Old Norse lauðr "nitre soap," "lather," Old High German lōdar 'id.,' Old Saxon lōthar 'id.,' Old English lēaþor 'id.' (English lather)
Albanian
Albanian laa "to wash"
Hellenic
Ancient Greek λούειν (loúein) "to wash," Doric λωτρόν (lotrón) "bath"
Armenian
Armenian loganum "to bathe"
le (Pronoun) "(to) him/her"
From Latin illi "to him," "to her," "to it;" dative of ille "that (person)" (see él).
lección f. (Noun) "lesson"
13th cent. From Latin lectionem, accusative of lectio 'id.' From legere "to choose," "to read" (see leer).
Indo-European
Romance
Portuguese lição, Galician lección, Catalan lliçó, French leçon, Italian lezione, Romanian lecție
leche f. (Noun) "milk"
12th cent. From Latin lactem, accusative of lac 'id.' From Proto-Italic *glagt- 'id.' From Proto-Indo-European *gl̥gt 'id.' Probably borrowed from another language.
Indo-European
Romance
Asturian lleche, Portuguese leite, Galician leite, Catalan llet, French lait, Italian latte, Aromanian lapti, Romanian lapte, Sardinian late
Hellenic
Ancient Greek γάλα (gála) "milk," γάλακτος (gálaktos) 'id.'
Armenian
Armenian kaxc' "milk"
lecho m. (Noun) "bed"
11th cent. Old Spanish leito. Now largely replaced by cama. From Latin lectus 'id.' From Proto-Italic *lekto- 'id.,' a formation from the verb *leχ-e/o- "to lie down." From Proto-Indo-European *legh-e/o- 'id.'
Indo-European
Romance
Portuguese leito, Catalan llit, French lit, Italian letto, Sardinian letu
lectura f. (Noun) "reading"
15th cent. From Late Latin lectura 'id.' From legere "to choose," "to read" (see leer).
Indo-European
Romance
Portuguese leitura, Galician lectura, Catalan lectura, French lecture, Italian lettura, Romanian lectură