雷雨 (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).
雷雨 (Japanese): a thunderstorm
Definitions
a thunderstorm
Ancestry of “雷雨”, step by step
雷雨 traces back through two separate lines of ancestry.