津波
tsynami ləʊnwɜːd byt nɒt ɔːlweɪz ʌndəstʊd bi ɔːl fɹɛntʃ spiːkəz
In French Tsunami (loanword, but not always understood by all French speakers)
A series of ocean waves caused by large-scale disturbances, typically earthquakes.
Example
"津波警報が出ました。"