13th century. Obscure. From a family of words common to most Romance and Germanic languages; the Germanic origin of this family of words is not universally accepted. Compare Englishrat.
Pronunciation
IPA(key): /ˈrato̝/
Noun
ratom (pluralratos)
mouse
(computer hardware) mouse (input device used to move a pointer on the screen)
saury (Scomberesox saurus)
Related terms
rata(“rat”)
References
“rraton” in Xavier Varela Barreiro & Xavier Gómez Guinovart: Corpus Xelmírez - Corpus lingüístico da Galicia medieval. SLI / Grupo TALG / ILG, 2006–2018.
“rato” in Dicionario de Dicionarios da lingua galega, SLI - ILGA 2006–2013.
“rato” in Tesouro informatizado da lingua galega. Santiago: ILG.
“rato” in Álvarez, Rosario (coord.): Tesouro do léxico patrimonial galego e portugués, Santiago de Compostela: Instituto da Lingua Galega.
Haitian Creole
Etymology
From Frenchrâteau.
Pronunciation
IPA(key): /ɣato/
Noun
rato
rake
References
Targète, Jean and Urciolo, Raphael G. Haitian Creole-English dictionary (1993; →ISBN)
Ido
Etymology
Borrowed from Esperantorato, Englishrat, Frenchrat, GermanRatte, Italianratto, Spanishrata.
Pronunciation
IPA(key): /ˈrato/
Rhymes: -ato
Noun
rato (pluralrati)
rat
Italian
Etymology
Borrowed from Latinratus, perfect passive participle of reor(“to deem, judge”).
“rato”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
rato in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
rato in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
Old High German
Etymology
From Proto-West Germanic*ratō, from Proto-Germanic*raþô, *ruttô, *rattaz(“rat”). See GermanRatte.
Noun
ratom
rat
Descendants
Middle High German: ratte, rate
German: Ratte
Luxembourgish: Rat
Portuguese
Pronunciation
Rhymes: -atu
Hyphenation: ra‧to
Etymology 1
From Vulgar Latinrattus(“rat”), of Germanic origin. Cognate to Galicianrato and Spanishratón. Mostly displaced Old Galician-Portuguesemur. The computing term is a semantic loan from Englishmouse.