Where does “nonmodem” come from?

nonmodem (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonmodem (English): Not of or pertaining to a modem

Definitions

  1. Not of or pertaining to a modem

Ancestry of “nonmodem”, step by step

nonmodem traces back through two separate lines of ancestry.

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single

via English modem

StepLanguageWordMeaning
1EnglishmodemA device that encodes digital computer signals...
2Englishmodulator-demodulator
Every word from Proto-Indo-European óynos
nonmodem — Etymology, Origin & Word History | Etymology Explorer