hotplate

The story

1. Proto-Indo-European*keHy-
2. Proto-Indo-European*dʰeh₁-
3. Proto-Indo-European*kéHidʰeti
4. Proto-Indo-European*kéHidos
5. Proto-Germanic*haitaz
6. Proto-West Germanic*hait
7. Old Englishhāt
8. Middle Englishhot
9. Englishhot
10. Proto-Indo-European*pleth₂-
11. Proto-Indo-European*pléth₂us
12. Proto-Hellenic*plətús
13. Ancient Greekπλατύς (platús)
14. Vulgar Latin*platta
15. Old Frenchplate
16. Middle Englishplate
17. Englishplate
18. English todayhotplate

From hot + plate.