The only free and comprehensive online etymological dictionary of the Spanish language
radio- Prefix "radiation"
From Latin radius "ray" (see rayo).
radio (1) m. (Noun) "radio"
From radiotelegrafía.
radio (2) m. (Noun) "radius"
18th cent. From Latin radius "ray," but also "wheel spoke" which bridges the distance and position of a geometric radius. See rayo for continued etymology.
radio (3) m. (Noun) "radium"
A modern Latinism from radium "radiation," "ray." See rayo for continued etymology.
radiotelegrafía f. (Noun) "radiography"
From radio- "radiation" and grafia "writing."
raer (Verb) "to scrape"
12th cent. From Latin radere 'id.' From Proto-Italic *rasd-e/o- 'id.' Of uncertain origin.
Indo-European
Romance
Portuguese raer, Galician raer, Occitan rasar, Old French rere, Italian rasare, Aromanian rad, Romanian rade, Sardinian rasai
Celtic
Welsh rhathu "to scrape," Breton rahein 'id.'
raíz f. (Noun) "root"
Early 13th cent. From Latin radicem, accusative of radix 'id.' From Proto-Italic *wrād-ī- 'id.' From Proto-Indo-European *u̯reh2-d-iH- 'id.' From a root *u̯reh2- of unknown meaning.
Indo-European
Romance
Portuguese raiz, Galician raíz, Catalan arrel, French racine, Italian radice, Aromanian arãdãtsinã, Romanian rădăcină, Sardinian raichina
Celtic
Old Irish frém "root," Welsh gwraidd "roots," Breton gwrizenn 'id.,' Old Cornish grueitan 'id.'
Germanic
Gothic waurts "root," Old Norse rót 'id.,' Old High German wurz "herb," Old Saxon wurt 'id.,' Old Dutch wurt 'id.,' Old English wyrt 'id.' (English wort)
Albanian
Tosk rrëzë "root," Gheg rräzë 'id.'
Hellenic
Ancient Greek ῥίζα (rhíza) "root"
Armenian
Armenian argat (?) "root"
Indo-Iranian
Old Persian raēša "root"
Tocharian
B witsako (?) "root"
-rama (Suffix) "sight"
From Ancient Greek ὅρᾱμᾰ (hórama) "sight," "spectacle," from ὁρᾰ́ειν (horáein) "to see" (Mycenaean o-ro-me-no "watching") and a noun-forming suffix -μᾰ (-ma) (of the same origin as -men). Ancient Greek ὁρᾰ́ειν is from Proto-Indo-European *u̯er- "to notice," "to sense" (of the same origin as vergüenza).
rama (1) f. (Noun) "branch"
11th cent. From Vulgar Latin *rama 'id.' From Latin ramus 'id.' From a pre-form *rād-mo- 'id.,' from Proto-Italic *wrād-mo- 'id.' From Proto-Indo-European *u̯reh2-d-mo- 'id.,' derived from *u̯reh2-d- "root" (see raíz).
rama (2) f. (Noun) "frame"
From Middle High German rame 'id.' (Old High German rama). From Proto-Germanic *ramō- 'id.' Origin uncertain.
Indo-European
Germanic
Old Norse ramr, Old Saxon rama, Frisian Roome, Old High German rama