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Origin and history of mustelid

mustelid(n.)

"animal of the family of mammals that includes the weasels, badgers, skunks, and otters," 1910, from Modern Latin Mustelidae, taken as a genus name by Linnaeus (1758), from Latin mustela "weasel," which is possibly a diminutive form from mus "mouse" (see mouse (n.)), a theory accepted by de Vaan, who writes, "The use of the dim. for the weasel can be due to its small size compared with other similar animals (marten, polecat) or because it was domesticated and used as a pet animal." Tucker tentatively suggests *mus-ters-la "mouse harrier," and Klein notes that the weasel was identified in antiquity as "the catcher of mice."

Entries linking to mustelid

Middle English mous, from Old English mus "small rodent," also "muscle of the arm" (compare muscle (n.)); from Proto-Germanic *mus (source also of Old Norse, Old Frisian, Middle Dutch, Danish, Swedish mus, Dutch muis, German Maus "mouse").

This is from PIE *mus-, the old Indo-European name of the creature, retained in several language families (source also of Sanskrit mus "mouse, rat," Old Persian mush "mouse," Old Church Slavonic mysu, Latin mus, Lithuanian muse "mouse," Greek mys "mouse, muscle").

Plural form mice (Old English mys) shows effects of i-mutation. As a type of something timid or weak, from late 14c. Contrasted with man (n.) from 1620s (nor man nor mouse).

The meaning "black eye" (or other discolored lump on the body) is attested by 1842. The computer sense of "small device moved by the hand over a flat surface to maneuver a cursor or arrow on a display screen" is from 1965, though the word has been applied to other devices resembling a mouse in shape since 1750, mainly in nautical use.

Parturient montes, nascetur ridiculus mus [Horace]

"weasel-like; pertaining to weasels," 1650s, from Latin mustelinus "of or belonging to weasels," from mustela; see mustelid + -ine (1).

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