Etymology

photomagnetic

P3H4O1T1O1M3A1G2N1E1T1I1C3

Today it means: of, or relating to the effect of light on the magnetic susceptibility of some materials, especially to the paramagnetism exhibited by some phosphorescent materials Full definition →

English magnetic ← Ancient Greek φωτο- (phōto-) ← Proto-Hellenic *pʰáwos
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The story

  1. Proto-Indo-European*bʰeh₂-
  2. Proto-Indo-European*bʰéh₂os
  3. Proto-Hellenic*pʰáwos
  4. Ancient Greekφᾰ́ος (phắos)
  5. Ancient Greekφῶς (phôs)
  6. Ancient Greekφωτο- (phōto-)
  7. Englishphoto-
  8. Englishmagnetic
  9. English todayphotomagnetic

From photo- + magnetic.

Etymology from Wiktionary, CC BY-SA 4.0.