- filament (n.)
[filament 词源字典]
- "fine untwisted thread, separate fibril," 1590s, from Modern Latin filamentum, from Late Latin filare "to spin, draw out in a long line," from Latin filum "thread" (see file (v.1)). As the name of the incandescent element in a light-bulb, from 1881.[filament etymology, filament origin, 英语词源]