pseudoresponse

The story

1. Ancient Greekψεύδω (pseúdō)
2. Ancient Greekψευδής (pseudḗs)
3. Middle Englishpseudo-
4. Englishpseudo-
5. Proto-Italic*wre-
6. Latinre-
7. Proto-Indo-European*spend-
8. Proto-Indo-European*spondéyeti
9. Proto-Italic*spondejō
10. Proto-Italic*spondeō
11. Latinspondeō
12. Latinrespondeō
13. Latinrespōnsum
14. Old Frenchrespuns
15. Middle Englishrespounse
16. Englishresponse
17. English todaypseudoresponse

From pseudo- + response.