a tsunami, a tidal wave · 海嘯: (hydrology, rare) a tidal bore · a storm surge
köken: Compound of 津(つ) (tsu, “cove, inlet, outlet”) + 波(なみ) (nami, “wave”). Named as such because tsunamis are more damaging to sea ports. Attested since at least the 甲(こう)陽(よう)軍(ぐん)鑑(かん) (Kōyō Gunkan) of the early 1600s.
tsunami (violent event that changes or completely shatters the previous state of something) · tsunami, flood (appearance of some emotion, behavior, or phenomenon in large quantities or in high intensity) · tsunami, flood (huge number of people gathered in some place and moving to somewhere)
köken: Etymology tree English tsunamibor. Polish tsunami Borrowed from English tsunami.