The story
- German · derived fromMagnetophon
- English todaymagnetophone
From magneto- + -phone. The sense “tape recorder” is probably a semantic loan from German Magnetophon (modern spelling Magnetofon), which was initially a brand name).
First known use, by meaning
- from ca. 1940s A tape recorder (device using magnetic tape as a storage medium).
- late 19th–mid-20th c. An electromagnetic microphone.
Etymology from Wiktionary, CC BY-SA 4.0.