magnetoresistive

The story

1. Ancient GreekΜάγνης (Mágnēs)
2. Ancient Greekμᾰ́γνης (mắgnēs)
3. Old Frenchmagnete
4. Ancient Greekμᾰ́γνης (mắgnēs)
5. Latinmagnēs
6. Middle Englishmagnete
7. Englishmagnet
8. Englishmagnet-
9. Englishmagneto-
10. Proto-Italic*wre-
11. Latinre-
12. Proto-Indo-European*steh₂-
13. Proto-Indo-European*stísteh₂ti
14. Proto-Italic*sistō
15. Latinsistō
16. Latinresistere
17. Anglo-Normanresister
18. Middle Englishresisten
19. Englishresist
20. Englishresistive
21. English todaymagnetoresistive

From magneto- + resistive.