- speculum (n.)
[speculum 词源字典]
- 1590s, in surgery and medicine, "instrument for rendering a part accessible to observation," from Latin speculum "reflector, looking-glass, mirror" (also "a copy, an imitation"), from specere "to look at, view" (see scope (n.1)). As a type of telescope attachment from 1704.[speculum etymology, speculum origin, 英语词源]