plasmonics

The story

1. Proto-Hellenic*plátʰyō
2. Proto-Hellenic*plát͏̌t͏̌ō?
3. Ancient Greekπλάσσω (plássō)
4. Ancient Greekπλᾰ́σμᾰ (plắsmă)
5. Late Latinplasma
6. Englishplasma
7. Ancient Greekἤλεκτρον (ḗlektron)
8. Latinēlectrum
9. New Latinēlectricus
10. Englishelectric
11. Proto-Indo-European*h₁ey-
12. Proto-Indo-European*h₁éyti
13. Proto-Hellenic*éimi
14. Ancient Greekἰόν (ión)
15. Englishion
16. Englishelectronbf.
17. Englishplasmon
18. English todayplasmonics

From plasmon + -ics.