電源

でんげん · dengen · JLPT N1 · noun

electricity

🔌 電 (electricity) + 源 (source) = the source of electricity, which is power

The 電 in 電気 (denki, electricity) and 電話 (denwa, telephone) is the same character. 源 (gen) means source or origin, as in 起源 (kigen, origin).

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