pseudoetymology

The story

1. Ancient Greekψεύδω (pseúdō)
2. Ancient Greekψευδής (pseudḗs)
3. Middle Englishpseudo-
4. Englishpseudo-
5. Proto-Indo-European*set-?
6. Ancient Greekἐτεός (eteós)der.?
7. Ancient Greekἔτυμος (étumos)
8. Proto-Indo-European*leǵ-
9. Proto-Indo-European*lóǵos
10. Proto-Hellenic*lógos
11. Ancient Greekλόγος (lógos)
12. Ancient Greekἐτῠμόλογος (etŭmólogos)
13. Ancient Greekἐτῠμολογῐ́ᾱ (etŭmologĭ́ā)
14. Latinetymologia
15. Old Frenchethimologie
16. Middle Englishethymologie
17. Englishetymology
18. English todaypseudoetymology

From pseudo- + etymology.