exoproduct

The story

1. Proto-Indo-European*h₁éǵʰ
2. Proto-Indo-European*h₁eǵʰs
3. Proto-Hellenic*eks
4. Ancient Greekἐκ (ek)
5. Ancient Greekἔξω (éxō)
6. Englishexo-
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*dewk-
14. Proto-Indo-European*déwkti
15. Proto-Italic*doukō
16. Latindūcō
17. Latinprōdūcō
18. Latinprōductus
19. Middle Englishproduct
20. Englishproduct
21. English todayexoproduct

From exo- + product.