English
magnetophone
From magneto- + -phone.
Proto-Indo-European *bʰeh₂- ‘to shine’
Proto-Hellenic *pʰōnā́
Ancient Greek φωνή ‘sound’
French téléphone
English telephone
English phone
The story
The sense “tape recorder” is probably a semantic loan from German Magnetophon (modern spelling Magnetofon), which was initially a brand name).
Today it means
noun A tape recorder (device using magnetic tape as a storage medium).
Language periods are conventional ranges, not dates for this word.
Etymograph / magnetophone