gasohol

The story

1. Proto-Indo-European*ǵʰeh₂-
2. Ancient Greekχαῦνος (khaûnos)
3. Ancient Greekχάος (kháos)
4. Dutchgas
5. Englishgas
6. Proto-Hellenic*élaiwon
7. Ancient Greekἔλαιον (élaion)
8. Latinoleum
9. Englishgasoline
10. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
11. Aramaicכוחלא (kuḥlā)
12. Arabicكُحْل (kuḥl)
13. Andalusian Arabicكُحُول (kuḥūl)
14. Medieval Latinalcoho
15. Middle Englishalcofol
16. Englishalcohol
17. English todaygasohol

Blend of gasoline + alcohol.