Where does “鳴門” come from?

鳴門 (Chinese) comes from Japanese 鳴門, from Old Japanese 鳴門, from Old Japanese 門 — a gate, portal; an entrance, gateway, opening;...

Ancestry of “鳴門”, step by step

Step	Language	Word	Meaning
1	Japanese	鳴門	a noisy strait or narrows where the rushing of...
2	Old Japanese	鳴門	a noisy strait or narrows where the rushing of the tides causes noisy whirlpools
3	Old Japanese	門	a gate, portal; an entrance, gateway, opening;...