Where does “tsunami wall” come from?

tsunami wall (English) comes from English wall, from Middle English wall, from Old English weall, from Proto-Germanic wallaz, from Latin vallum, from Proto-Indo-European wēl- — to see, perceive.

tsunami wall (English): a protective barrier that is used to protect...

Definitions

  1. a protective barrier that is used to protect...

Ancestry of “tsunami wall”, step by step

tsunami wall traces back through two separate lines of ancestry.

via English wall

StepLanguageWordMeaning
1EnglishwallA rampart of earth, stones etc. built up for...
2Middle EnglishwallAlternative form of wale
3Old Englishweallwall; fervour; uproar; boiled or mulled wine
4Proto-Germanicwallazwell, spring; wall, rampart, entrenchment
5Latinvallumwall, rampart, entrenchment
6Proto-Indo-Europeanwēl-to see, perceive

via English tsunami

StepLanguageWordMeaning
1EnglishtsunamiA very large and destructive wave, generally...
2Japanese津波a tsunami; a tidal wave; a tidal bore
3Japanesewave
4Middle Chinese
Every word from Proto-Indo-European wēl-Every word from Latin vallumEvery word from Proto-Germanic wallaz