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Old English[edit]


From Proto-Germanic *rattaz ‎(rat), from Proto-Indo-European *rēd- ‎(to scrape, gnaw, scratch). Akin to Old Saxon ratta (Middle Low German ratte), Dutch rat ‎(rat), Old High German ratta, rato (whence German Ratte, Ratz), Old Norse rotta (whence Icelandic rotta, Danish rotte, Swedish råtta, Middle Low German rotta ‎(rat), Irish radan ‎(rat), Latin rodere ‎(to gnaw). More at rodent.

The Germanic form rat-, ratt- is common in Germanic languages, and in Romance languages through Vulgar Latin *rattus which was borrowed into the Romance languages from a Germanic source (as evidenced by regular sound correspondences of Proto-Indo-European e, ē → Germanic a, and Proto-Indo-European d to Germanic t. The Italic cognate of the Proto-Indo-European word was Latin rodens, rodent- from rodere). Compare French rat, Spanish rata, Italian ratto.



ræt m

  1. rat