litrebike

The story

1. Spanishlitre
2. Englishlitre
3. Proto-Indo-European*dwóh₁
4. Proto-Indo-European*trísinflu.
5. Proto-Indo-European*dwís
6. Proto-Italic*dwis
7. Old Latinduis
8. Latinbis
9. Frenchbi-
10. Proto-Indo-European*kʷelh₁-redup.
11. Proto-Indo-European*kʷékʷlos
12. Proto-Hellenic*kʷókʷlos
13. Proto-Hellenic*kúklos
14. Ancient Greekκύκλος (kúklos)
15. Late Latincyclus
16. Frenchcycle
17. Frenchbicycle
18. Englishbicycleclip.
19. Englishbike
20. Englishlitre
21. Proto-Indo-European*m(y)ewh₁-
22. Proto-Indo-European*m(y)owh₁éyeti
23. Proto-Italic*moweō
24. Latinmoveō
25. Latinmōtor
26. Middle Englishmotour
27. Englishmotor
28. Englishbike
29. Englishmotorbike
30. English todaylitrebike

From litre + bike, or a blend of litre + motorbike.