mūsiō

Meaning

1. cat (rare)
   Mūsiō appellātus, quod mūribus īnfestus sit. Hunc vulgus cattum ā captūra vocant. [A cat] is called mūsiō because it is deadly to mice. People call it cattus from catching.c. 600 CE – 625 CE, Isidorus Hispalensis, Etymologiae 12.2.38
   De musione vel murilego, qui et cattus etiam dicitur.Thomas of Cantimpré, Liber de natura rerum

Declension

Origins

Uncertain; perhaps from mūs + -iō. The word is attested in Isidore of Seville's Etymologiae, where he states that the word is derived from mūs (“mouse”) since cats catch mice; however, Isidore's etymologies are generally unreliable.