The only free and comprehensive online etymological dictionary of the Spanish language
beber (Verb) "to drink"
10th cent. From Latin bibere 'id.' From Proto-Italic *pib-e/o- 'id.' From Proto-Indo-European *pi̯-ph3-e/o- 'id.' Imperfective reduplication of *peh3- "to swallow."
Indo-European
Romance
Asturian beber, Portuguese beber, Galician beber, Catalan beure, French boire, Italian bere, Aromanian beau, Romanian bea, Sardinian bibere
Italic
Faliscan pafo "I will drink," Sicel πιβε (pibe) "drink!"
Celtic
Gaulish ibetis, Old Irish ibid, Middle Welsh yuet, Middle Breton euaff, Cornish eva
Albanian
Old Albanian pii
Balto-Slavic
Old Church Slavonic piti, Russian pit', Czech píti, Slovene píti
Hellenic
Ancient Greek πῑ́νειν (pínein)
Armenian
Armenian əmpem
Indo-Iranian
Sanskrit píbati
"There are two words for 'drink' [in Proto-Indo-European]. Anatolian retains evidence of *h1ēgwhmi, e.g. Hit ekumi 'I drink', and this is probably the earlier word, found in Italic (Lat ēbrius 'having drunk one's fill, drunk'), Grk nḗphō 'am sober' (< *ne-h1ēgw 'not drink'), and Tocharian (Toch AB yok- 'drink'), which was subsequently replaced (by semantic shift) by *peh3i- 'drink', originally indicating 'swallow'." ~ Mallory & Adams, The Oxford Introduction to Proto-Indo-European and the Proto-Indo-European World (2006)
beldar (Verb) "to winnow"
Late 15th cent. Metathesis of Old Spanish bedlar, which was formed from 13th cent. Old Spanish bellar via dissimilation. From Latin ventilare "to fan," a verb formed from ventulus "light breeze" (but lit. "little wind"), a diminutive of ventus "wind" (see viento.
Variants
belleza f. (Noun) "beauty"
15th cent. From bello and -eza.
Indo-European
Romance
Portuguese beleza, Galician beleza, Catalan bellesa, Italian bellezza, Sardinian bellesa
bello (Adjective) "beautiful"
13th cent. From Latin bellus 'id.' From Proto-Italic *dwen-elo- "good little thing." Derived from *dweno- "good" (see bueno).
Also the origin of the surnames Bel, Bella, and Bellas.
Indo-European
Romance
Asturian bellu, Portuguese belo, Galician belo, Catalan bell, French beau, Italian bello, Istriot biel, Sardinian bellu
berilo m. (Noun) "beryl"
17th cent. From Latin beryllus 'id.' Borrowed from Ancient Greek βήρυλλος ‎(béryllos) 'id.' Borrowed from a Dravidian language (compare Belur, a town in India).
Indo-European
Hellenic
Ancient Greek βηρύλλιον (beryllion) "beryl"
Indo-Iranian
Prakrit veḷuriya, veruliya, Sanskrit vaiḍūrya-
beso m. (Noun) "kiss"
13th cent. From Latin basium 'id.' Of unknown origin, probably a loan from a non-Indo-European language with a root *bu-/ba-.
Indo-European
Celtic
Middle Irish bus, pus "lip"
Germanic
English buss
Balto-Slavic
Lithuanian bučiúoti
"The recent date of attestation renders a loanword likely. Since Catullus, who introduced the word into the written language, was from Verona, it might have been Celtic." ~ M. de Vaan, Etymological Dictionary of Latin (2014)
bi- (Prefix) "twice"
From Latin bi- "two," "twice." From Proto-Italic *dwi- 'id.' The sound shift from *dw- to Latin b- is regular (cf. Old Latin duonus "good" > Latin bonus; Old Latin duellum "war" > Latin bellum). From Proto-Indo-European *du̯i- 'id.'
Indo-European
Italic
Umbrian di- (?) "two," meaning uncertain
Germanic
Gothic twis- "twice," Old Norse tví- 'id.,' Old High German zwi- 'id.,' Old Saxon twi- 'id.,' Old English twi- 'id.'
Balto-Slavic
Old Prussian dwi- 'id.,' Lithuanian dvi- 'id.'
Hellenic
Ancient Greek δι- (di-) "two"
Armenian
Armenian *ki-, second element found in erki "two"
Indo-Iranian
Sanskrit dvi- "two," Avestan bi- 'id.'
bieldo m. (Noun) "pitchfork"
Late 15th cent. From beldar.
Variants
Bielgo
bien (Adverb, Adjective) "well"
Early 12th cent. From Latin bene 'id.,' from Old Latin *duened "good." From Proto-Italic *dweno- "good" (see bueno).
Indo-European
Romance
Asturian bien, Portuguese bem, Galician ben, Catalan bé, ben, French bien, Italian bene, Aromanian ghini, Romanian bine, Sardinian beni.
The surprising sound shift from Old Latin du- to Latin b- is well documented: duonus "good" > bonus; duellum "war" > bellum.
bienvenido (Adjective) "welcome"
From bien and venir. A calque of Germanic words for "welcome" (i.e. well come).