Where does “モデム” come from?

モデム (Japanese) comes from English modem, from English modulator-demodulator.

モデム (Japanese): modem

Definitions

  1. modem

Ancestry of “モデム”, step by step

StepLanguageWordMeaning
1EnglishmodemA device that encodes digital computer signals...
2Englishmodulator-demodulator—
Every word from English modulator-demodulator →Every word from English modem →