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radio- Prefix "radiation" From Latin radius "ray" (see rayo). Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
radio (1) m. (Noun) "radio" From radiotelegrafía. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/.
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. Corominas, J. & J. Pascual. Diccionario crítico etimológico castellano e híspanico. 6 vols. Madrid: Gredos. 1991-1997. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
radio (3) m. (Noun) "radium" A modern Latinism from radium "radiation," "ray." See rayo for continued etymology. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
radiotelegrafía f. (Noun) "radiography" From radio- "radiation" and grafia "writing." Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/.
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.' Corominas, J. & J. Pascual. Diccionario crítico etimológico castellano e híspanico. 6 vols. Madrid: Gredos. 1991-1997. de Vaan, M. Etymological Dictionary of Latin and Other Italic Languages. BRILL. 2014. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
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" Corominas, J. & J. Pascual. Diccionario crítico etimológico castellano e híspanico. 6 vols. Madrid: Gredos. 1991-1997. de Vaan, M. Etymological Dictionary of Latin and Other Italic Languages. BRILL. 2014. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
-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). Beekes, R. S. P. Etymological Dictionary of Greek. BRILL. 2014. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
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). Corominas, J. & J. Pascual. Diccionario crítico etimológico castellano e híspanico. 6 vols. Madrid: Gredos. 1991-1997. de Vaan, M. Etymological Dictionary of Latin and Other Italic Languages. BRILL. 2014. Dictionnaire Étymologique Roman. Online. Ed. by É. Buchi & W. Schweickard. 2018. http://www.atilf.fr/DERom. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/. Sihler, A. New Comparative Grammar of Greek and Latin. Oxford University Press. 2008.
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 Kroonen, G. Etymological Dictionary of Proto-Germanic. BRILL. 2014. Real Academia Española. Diccionario de la lengua española. Online. 23rd ed. Madrid: Espasa Calpa. 2014. http://www.rae.es/.