napalm

The story

1. Akkadiannapṭumbor.?
2. Old Persian*naftah
3. Ancient Greekνάφθα (náphtha)
4. Latinnaphtha
5. Englishnaphtha
6. Englishnaphthene
7. Englishna(phthenic)
8. Spanishpalmito
9. Proto-Indo-European*pleth₂-?
10. Proto-Indo-European*pel-?
11. Proto-Indo-European*pleh₂-
12. Proto-Indo-European*pl̥h₂meh₂
13. Proto-Italic*pal(a)mā
14. Latinpalma
15. Old Frenchpaume
16. Latinpalma
17. Middle Frenchpalme
18. Frenchpalme
19. Frenchpalmite
20. Englishpalm(itic)
21. English todaynapalm

Formed from na(phthenic) palm(itic) acid, the two original components of the substance.

First known use, by meaning

• from 1942 A highly flammable, viscous substance, designed to stick to the body while burning, used in warfare as an incendiary especially in wooded areas.
• from 1950 To spray or attack with napalm.