firewall的词源

英文词源

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.

中文词源

firewall：(电脑)防火墙

词根词缀： fire火 + wall墙

该词的英语词源请访问趣词词源英文版：firewall 词源，firewall 含义。