pseudoetymology

Etymology tree
Ancient Greek ψεύδω (pseúdō)
Proto-Indo-European *-os
Proto-Indo-European *-ēs
Ancient Greek -ης (-ēs)
Ancient Greek -ής (-ḗs)
Ancient Greek ψευδής (pseudḗs)der.
Middle English pseudo-
English pseudo-
Proto-Indo-European *set-?
Ancient Greek ἐτεός (eteós)der.?
Ancient Greek ἔτυμος (étumos)
Proto-Indo-European *leǵ-
Ancient Greek λόγος (lógos)
Ancient Greek -λογος (-logos)
Ancient Greek ἐτῠμόλογος (etŭmólogos)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ῐ́ᾱ (-ĭ́ā)
Ancient Greek ἐτῠμολογῐ́ᾱ (etŭmologĭ́ā)bor.
Latin etymologiader.
Old French ethimologiebor.
Middle English ethymologie
English etymology
English pseudoetymology
From pseudo- + etymology.