English firewall

← German Brandmauer (cognate)

← German Feuermauer (mention)

← English fire (compound)

← English wall (compound)

← West Frisian brânmuorre (cognate)

← Icelandic eldvegg (cognate)

← Dutch brandmuur (cognate)

← Swedish brandvägg (cognate)

← Swedish brandmur (mention)

→ English wall (link)

→ English router (link)

→ English airwall (mention)

→ English paywall (mention)

→ English Great Firewall of China (blend)

→ Spanish firewall (borrowed)

→ Armenian հրապատ (calque)

→ Japanese ファイアウォール (borrowed)

→ Dutch vuurmuur (derived)

→ Portuguese firewall (borrowed)

→ Russian файрволл (borrowed)

→ Serbo-Croatian vatrozid (calque)

→ Vietnamese tường lửa (calque)