Where does “модем” come from?

модем (Ukrainian) comes from English modem, from English modulator-demodulator.

модем (Ukrainian): modem

Definitions

  1. modem

Ancestry of “модем”, step by step

StepLanguageWordMeaning
1EnglishmodemA device that encodes digital computer signals...
2Englishmodulator-demodulator
Every word from English modulator-demodulator
модем — Etymology, Origin & Word History | Etymology Explorer