Where does “魚雷” come from?

魚雷 (Japanese) comes from Japanese 雷, from Japanese 神, from Japanese かみ, from Translingual − — A long signal, used to form Morse code text, together with. (a short signal).

魚雷 (Japanese): torpedo

Definitions

torpedo

Ancestry of “魚雷”, step by step

魚雷 traces back through two separate lines of ancestry.

via Japanese 雷

Step	Language	Word	Meaning
1	Japanese	雷	thunder; lightning, thunderbolt; thunder god
2	Japanese	神	a spirit or an essence present in all things, the...
3	Japanese	かみ	—
4	Translingual	−	A long signal, used to form Morse code text, together with. (a short signal)

via Japanese 魚

Step	Language	Word	Meaning
1	Japanese	魚	a fish; a fish, "especially" when used as food; a...
2	Middle Chinese	魚	fish

Every word from Translingual − →Every word from Japanese かみ →Every word from Japanese 神 →