phytopromotional

The story

1. Proto-Indo-European*bʰuH-
2. Proto-Indo-European*bʰuHyéti
3. Ancient Greekφῠ́ω (phŭ́ō)
4. Ancient Greekφῠτός (phŭtós)
5. Ancient Greekφῠτόν (phŭtón)
6. Englishphyto-
7. Proto-Indo-European*per-der.?
8. Proto-Indo-European*pér
9. Proto-Indo-European*pró
10. Proto-Indo-European*pro-
11. Proto-Italic*pro-
12. Latinprō-
13. Proto-Indo-European*m(y)ewh₁-
14. Proto-Indo-European*m(y)owh₁éyeti
15. Proto-Italic*moweō
16. Latinmoveō
17. Latinprōmoveō
18. Late Latinprōmotiō
19. Old Frenchpromocion
20. Englishpromotion
21. Proto-Indo-European*h₂el-
22. Proto-Indo-European*h₂élisder.?
23. Englishpromotional
24. English todayphytopromotional

From phyto- + promotional.