Firewall
来自Big Physics
Safin（讨论 | 贡献）2022年4月28日 (四) 04:48的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/firewall ref] From fire + wall. Compare [https://en.wikipedia.org/wiki/West_Frisian_…”的新页面）
wiktionary
From fire + wall. Compare West Frisian brânmuorre, Dutch brandmuur, German Brandmauer, Feuermauer, Swedish brandvägg, brandmur, Icelandic eldvegg.
etymonline
firewall (n.)
also fire-wall, 1851 as a physical wall meant to prevent the spread of fire in a structure, from fire (n.) + wall (n.). Computer sense (originally figurative) is by 1990.
