rat
according to the tlfi from an onomatopoeia that the rat makes while gnawing. the english rat, the german ratte, the dutch rat come from a germanic etymon ratō related to the latin rodo ('to gnaw' see rodent) and the word is either from old frankish, or of celtic origin or else borrowed from a neighboring language.
Definition
See also
inratable (adj.) dératiser (v.) rat (cn.) raté (adj.) raté (cn.) dératisation (cn.) rater (v.) ratier (cn.) ratière (cn.) ratable (adj.) ratage (cn.)