出典:Wiktionary
出典:『Wiktionary』 (2026/02/04 22:39 UTC 版)
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.
mūsiō m (genitive mūsiōnis); third declension
Third-declension noun.