/ˈrata/
rat (medium-sized rodent belonging to the Rattus genus)
Related: cola de rata, hacerse la rata, matarratas, niño rata, piel de rata, rata almizclera, rata canguro, rata de agua, rata de cloaca, rata de mar
Etymology tree Proto-Germanic *rattaz Germanicbor. Vulgar Latin rattusder. Spanish rata From Vulgar Latin rattus (“rat”), of Germanic origin. It is not known how the noun made the jump to a feminine noun.
stingy, miserly, tight-fisted; rat, jerk (despicable person, especially who has been deceitful or disloyal); rat, snitch, informant
Synonyms: tacaño, pesetero, hijo de puta, chivato, soplón, delator, sapo
Etymology tree Proto-Germanic *rattaz Germanicbor. Vulgar Latin rattusder. Spanish rata From Vulgar Latin rattus (“rat”), of Germanic origin. It is not known how the noun made the jump to a feminine noun.
percentage; ratio; rate
Synonyms: porcentaje, razón, tasa
From Latin rāta (“considered, established, certain”, adjective) through ellipsis of phrases such as rāta parte (“established part”), rāta ratiōne (“established ration”) etc., feminine ablative singular of ratus, perfect active participle of rērī (“to think, judge, consider”). Cognate with English rate and likely reinforced by it.